[Top 7] Best Treadmills for Marathon Training [2022 Edition]

The marathon is one of the most difficult races to complete in terms of distance and intensity. Are you want to participate in the upcoming marathon race and searching for best treadmill for marathon training to prepare yourself? No need to search further! Please keep reading to learn about their feature, price, and let’s see which one attracts you the most.

There are several benefits to utilizing a treadmill for marathon training. You can train regardless of the weather, treadmills are always available, and you don’t have to worry about what you’re wearing.

We analyzed and evaluated them based on their durability (how long they’ll last), how comfortable they are to walk or run on, the programs they offers, the value for money (price), and the quality of the materials they’re made of. Also, we analyzed all customer reviews on e-commerce platforms, spoke with Facebook users, and met genuine buyers who bought this product to make a list of the top 7 best treadmills for marathon training.

So, let’s take a look at the top 7 best treadmills for marathon training.

If you’re in a hurry, the table below provides a short snapshot of the most popular treadmill for marathon training available on the market. If you want to deep dive into each model, scroll down below.

Name

Image

User Weight  Capacity

(lbs) 

Key Features

Price

Sole Fitness F80 Folding Treadmill (Editor's Choice)

Sole Fitness F80 Folding Treadmill-best treadmills for marathon training

375 

  • Motor Power: 3.5 CHP

  • Tread Belt: 22″ x 60″ 

  • Max Speed: 12 mph

  • Incline:  0 to15%

  • 7.5” LCD display

  • Heart rate sensor

 LifeSpan TR3300i Folding Treadmill

 LifeSpan TR3300i Folding Treadmill-best treadmills for marathon training

300

  • Motor Power: 2.5 HP

  • Tread Belt: 20″ x 56″ 

  • Max Speed: 12 mph

  • Incline: 0 to15%

  • 7” full-color display

  • 38 preset programs

NordicTrack Commercial 2950 Series Treadmill

NordicTrack Commercial 2950 Series Treadmill-Best Treadmill for marathon training

300 

  • Motor Power: 4.0 CHP

  • Tread Belt: 22″ x 60″ 

  • Max Speed: 12 mph

  • Incline: -3 to 15%

  • 22" HD touchscreen

  • iFit compatible

ProForm 2000 Treadmill

ProForm 2000 Treadmill-best treadmill for marathon training

300

  • Motor Power: 3.5 CHP

  • Tread Belt: 22″ x 60″ 

  • Max Speed: 12 mph

  • Incline: -3 to 15%

  • 7” backlit display

  • iFit compatible

NordicTrack T 8.5 S Treadmill

300 

  • Motor Power: 2.5 CHP

  • Tread Belt: 20″ x 60″ 

  • Max Speed: 12 mph

  • Incline: 0 to 12% 

  • 10" HD touchscreen

  • iFit compatible

Schwinn Fitness 810 Treadmill

Schwinn 810 Treadmill-best treadmill for marathon training

275

  • Motor Power: 1.9 HP

  • Tread Belt: 20″ x 55″ 

  • Max Speed: 10 mph

  • Incline: 0 to 10% 

  • Blue backlit LCD display

  • Explore The World app

Sunny Health & Fitness SF-7874 Treadmill

Sunny Health & Fitness Treadmill-Best treadmill for marathon training

285 

  • Motor Power: 3.0 HP

  • Tread Belt: 18" x 54"

  • Max Speed: 11.0 mph

  • Incline: 0 to 15% 

  • 7" LCD display

  • 14 preset workout 

Review of Best Treadmills For Marathon Training

If you are truly committed to purchasing the best treadmill for marathon training, attentively read the evaluations and you will be able to choose the best treadmill for marathon training.

1. Sole Fitness F80 Folding Treadmill

Sole Fitness F80 Folding Treadmill-best treadmills for marathon training

Quick Snapshots of the Key Features:

  • Power Motor: 3.5 CHP
  • Incline Level: 0-15%
  • Cushion Flex shocks absorbers
  • Tread Belt: 60’’ L x 22’’ W
  • Weight Holding Capacity: 375 lbs
  • Maximum Speed: 12.0 mph
  • 7.5” LCD display 
  • Hand grip pulse sensors
  • Integrated with chest strap heart rate sensor
  • Preset 6 standard, 2 custom, and 2 heart programs
  • A cooling fans
  • MP3-compatible sound system
  • Foldable technology and build in transport wheels

Sole Fitness F80 Folding Treadmill has been included to our list of top-ranking treadmill for marathon training as a result of the positive feedback received from customers. If you’re looking for a treadmill that offers everything you need to train for a marathon or just lose weight, go no further than the Sole Fitness F80 Folding Treadmill. 

If you were to ask me what the most outstanding feature of this treadmill is, I would answer it is the motor. Because it is equipped with a super powerful 3.5 CHP motor, you will not experience any interruptions when working out on it. A heavy-duty motor’s loud noise is one of the most irritating issues. This machine, on the other hand, is made to be really quiet, so you won’t have to go through this experience.

This machine has a 60″ (L) X 22″ (W) two ply walking/running surface and can withstand up to 375 lbs, which isn’t bad at all! You can choose between 0.5 to 12.0 mph speed for walking or jogging. The deck is equipped with a Cushion Flex system, which makes the run much smoother and reduces the impact on your joints by up to 40 percent. So for marathon trainer and regular use, this treadmill is pretty ideal, to be honest.

This wonderful machine has rack-and-pinion gear design incline for your convenience. It goes up to 15 percent, which is good news for all the avid marathon runners.

It’s large 7.5” LCD display is easy to read and keeps you updated on all the necessary information like speed, incline, time, distance, calories and pulse. In this way, you can monitor if your routine is on the right track or not. Additionally, hand grip pulse sensors and chest strap heart rate monitoring are conveniently mounted on the handlebars to keep you in your training zone and achieving your goals.

It comes with six standard programs, two custom programs, and two heart programs to keep your workouts interesting and challenging.

On top of everything, this treadmill can be easily folded and moved to the corner of your room and is perfect for small space. 

The engineers paid close attention to little but important aspects that assist users on every use. This features includes cooling fans, MP3-compatible sound system and 2.75″ roller for convenient mobility.

Overall, this is a great treadmill that is a little more expensive than some of the others on this list, but it outperforms them in terms of longevity and performance. Excellent for the more experienced marathon runner who need a stronger motor to manage the intensity of their running and also requires excellent incline settings.

PROS

  • Comes with an excellent shock absorption capability
  • Reduces the impact on your joints by up to 40 percent
  • Quiet motor, can do workout without disturbing others
  • Can tracks time, distance, speed, and calories burned
  • Various workout programs for achieving specific fitness goals
  • Easily foldable, moveable and can be store in small space
  • Simple to monitor heart rate and stay in the target zone
  • Have excellent warranty period for frame, motor and labor

CONS

  • No provision to iFit

2. LifeSpan TR3300i Folding Treadmill

Quick Snapshots of the Key Features:

  • Motor Power : 2.5 HP
  • Incline Level: 0-15%
  • 8 independent compression shocks absorbers
  • Tread Belt: 56’’ L x 20’’ W
  • Weight Holding Capacity: 350 lbs
  • Maximum Speed: 12.0 mph
  • 7” full-color display with 3 distinct dashboards
  • Bluetooth speakers
  • 38 preset programs
  • Integrated with heart rate sensors
  • Effortless EZfold technology
  • Intelli guard safety features
  • 4 transport wheels located in both the front and rear
  • 3-speed cooling fan 
  • USB charger port 

The LifeSpan TR3000i Touch Folding Treadmill is a superb exercise machine that blends quality and performance for an enjoyable marathon workout. This treadmill is intended for commercial use, you can be confident that it will meet your needs if you use it at home. 

The 2.5 HP commercial-grade motor will give you smooth speeds ranging from 0.5 – 11.0 mph. It’s also whisper-quiet, allowing you to enjoy your daily cardio workout without bothering your downstairs neighbor. Because it features a 3-speed cooling fan, it does not overheat when you are undertaking strenuous workout.

The treadmill’s running surface measures 56 inches wide by 20 inches long, making it suitable for a variety of workouts. For low-impact training, the Lifespan Fitness TR3000i Treadmill features eight compression shock absorbers with responsive cushioning. It is outfitted with 21 certified training programs. These safe, efficient regimens were developed by exercise physiologists to help you improve your cardiovascular fitness, boost your health, and burn fat.

It offers adjustable incline levels of 0 and 15 degrees, meaning you can adjust difficulty levels quickly to achieve your fitness goals faster. 

The 7″ full-color display has an easy-to-use touchscreen with three distinct dashboards, and your results are vividly highlighted in the perspective of your choice.

The 38 preset programs and built-in Bluetooth speakers  will keep you away from bring bored. Sincerely speaking, it brings the professional gym experience right into your home.

It is equipped with grip sensors for hand pulse on the handlebars that help achieve goals and keep you on your training track.

If you leave the deck, the Intelli Guard safety feature will automatically stop the belt action after 20 seconds. The EZfold technology with hydraulic shock enables easy folding and unfolding. 

Overall, LifeSpan Fitness TR3000i Folding treadmill is one of the most advanced model that incorporates various intelligent features thinking user’s performance and comfort in mind. It fulfills all the requirements you are looking for, and it can be undoubtedly say that you will get value for your money.

PROS

  • Reduces the impact on your knees, back, and joints 
  • Allows to do the workout without disturbing others
  • Allows to customize speed and incline by dragging your finger 
  • Offers multiple incline levels to achieve fitness goals faster
  • Vividly display workout data in real-time
  • It can be folded and unfolded easily
  • Easy to transport and compact storage
  • Can track your every step automatically
  • Simple to monitor heart rate and stay in the desired zone 
  • Allows to wirelessly connect with a smartphone to play music 

CONS

  • No compatibility with fitness apps

3. NordicTrack Commercial 2950 Series Treadmill

NordicTrack Commercial 2950 Series-Best treadmills for marathon training

Quick Snapshots of the Key Features:

  • Motor Power: 4.0 CHP 
  • Running Belt: 60”(L) x 22” (W)
  • Runners flex cushioning
  • Weight Holding Capacity: 300 lbs
  • Maximum Speed: 12 mph
  • Incline Level: -3 to 15%
  • 22-inch interactive HD touchscreen
  • iFit available
  • 5 individual workout profiles
  • Audio: Connected to headphones and inbuilt dual 2” speakers
  • Foldable and space-saver design

This treadmill, in my opinion, is the best on this list when it comes to quality and durability. The NordicTrack Commercial 2950 treadmill stands out from the competition. One of the best treadmills for marathon training is this one, which has an impressive 4-HP SMART-response motor.

Running surface of this treadmill is 60″ (L) x 22″ (W) and weight holding capacity is 300 lbs that is enough for almost all the users.

This treadmill can run up to 12 mph that is great for marathon training. You can modify your workout because the treadmill can go up to a 15% incline and a 3% decline, which is excellent for replicating hills. You can change speed and incline quickly and smoothly just one finger tap.

Innovative Runners Flex cushioning offers a balanced combination of comfort and flexibility that is very important for marathon running. It absorbs shock from impact force, therefore minimizing muscle and joint stress.

It offers a revolutionary space-saver design with EasyLift Assist for home use. This means you can easily fold up your treadmill and store it in a small place in your flat when you’re not using it.

NordicTrack Commercial 2950 Series features a 22-inch smart HD touchscreen that allows you to enjoy your favorite movies and television shows that you like while exercising. In addition, you can also control over your speed, distance, duration, and heartbeat. It is one of the best treadmill with TV screen and internet.

An additional bonus package with the purchase of NordicTrack commercial 2950 treadmill is a 1-month iFit subscription, which allowing you to browse Google Maps. This subscription includes customized routines. It also provides you unlimited on-demand workout sessions taught by an instructor. Daily challenges and training pathways are given to keep you healthy and motivated to exercise.

If you do not want an iFit subscription, you can choose the treadmill without it. A large range of fitness applications and programs are still available to assist you attain your goal.

It offers 5 individual exercise profiles; Access live, studio, and global workouts. Thus, you have a personal trainer who manages your treadmill speed, inclination, decline and pace.

The NordicTrack Commercial Series is not just one of the best treadmill for marathon training, it’s one of the best home treadmill overall. Really an incredible product with a sales price under 2500$ and you will get the value of money due to its amazing durability, incredible performance, and additional features.

PROS

  • Perfect for endurance runs to HIIT workouts 
  • Perfect for bad knees, joint pain or arthritis 
  • Easy control over speed and incline
  • Allows to browse Google Maps   
  • A large number of fitness application and programs available   
  • Excellent weight capacity and tread belt that is enough for almost all the users
  • Unlimited on-demand workout sessions taught by an instructor
  • Space-saving treadmill that folds up effortlessly
  • Have 10-year frame, 2-year parts, and 1-year labor warranty

CONS

  • No fan on the console
  • No heart rate chest strap

4. ProForm 2000 Treadmill

ProForm 2000 Treadmill-best treadmill for marathon training

Quick Snapshots of the Key Features:

  • Motor Power : 3.5 CHP
  • Incline Level: -3 to 15%
  • Innovative ProShox cushioning shocks absorbers
  • Tread Belt: 60’ L x 22’’ W
  • Weight holding capacity: 300 lbs
  • Maximum speed: 12.0 mph
  • 7” backlit display
  • 32 on-Board Workouts
  • EKG Grip Pulse Heart Rate Sensor
  • iFit compatible
  • Integrated device shelf
  • Intermix acoustics 3.0 sound system
  • Compatible music port

Are you searching a best treadmill for marathon training that incorporates most of the modern amenities in its features? If so, ProForm Pro 2000 Treadmill would be a great choice. This treadmill is reasonably priced and offers some great features. Innovative ProShox cushioning offers a balanced combination of comfort and flexibility that is very important for marathon runners. It absorbs shock from impact force, therefore minimizing muscle and joint stress.

This model features a 3.50 CHP Mach Z motor that produces less noise and friction, allowing you to use it in small apartments without disturbing neighbors. 

The treadmill has a 60″ long and 22″ wide  non-stretch tread belt that is enough to accommodate all size and shape marathon runners. It has a 300 lbs weight holding capacity. It is also one the best treadmill for tall and heavy person.

This treadmill can run up to 12 mph that is great for workouts at home. You can modify your workout because the treadmill can go up to a 15% incline and a 3% decline, which is excellent for replicating hills. You can change speed and incline quickly and smoothly just one finger tap.

The ProForm Pro 2000 offers a revolutionary space-saver design with EasyLift Assist for home use. This means you can easily fold up your treadmill and store it in a small place in your flat when you’re not using it. It is one of the best fold up treadmill for running, for use at home or in the office.

It has 7″ Backlit display so you can always keep track of your workout progress like your speed, time, distance, incline, pulse and calories burned. It has a wide viewing angle, so it is very clear and easy to read no matter how tall or short you are.

Other perks of this treadmill include a intermix acoustics 3.0 sound system and compatible music port to enjoy your favorite media/music, non-flex rear roller to reduce wear and tear of the belt, auto breeze workout fan for comfortable workout.

It comes with a decent selection of 32 workout programs. It also equipped with an integrated EKG heart rate scanner with wireless heart straps for accurate readings.

ProForm Pro 2000 offers one of the most generous warranties in the industry. The following guarantee is provided: lifetime frame and motor warranty, a 5-year parts warranty and a 2-year labor warranty.

Overall, this treadmill is one of the best treadmill for marathon training. A reputable consumer magazine has rated this as a ‘Best Buy’. If you’re on a budget, the ProForm Pro 2000 entry level gives more than similar prices.

PROS

  • Excellent shock absorption capability
  • Excellent for long stride and heavier marathon runners
  • Noise free even at faster pace
  • Foldable design and easy to store in small space
  • Reduce impact on your joints for a more comfortable workout 
  • Quick control of speed and incline at a touch of a button
  • Can enjoy unlimited workouts with iFit Coach technology
  • Allows to draw your own scenic route via Google Maps and iFit

CONS

  • No remarkable cons found

5. NordicTrack T Series (8.5 S) Treadmill

NordicTrack T Series (8.5 S) Treadmill-best treadmills for marathon training

Quick Snapshots of the Key Features:

  • Incline range: 0 to 12% 
  • FlexSelect deck cushioning system
  • Motor Power : 2.5 CHP powerful DurX commercial plus motor
  • Tread Belt: 60’’ L x 20’’ W
  • Weight Holding Capacity: 300 lbs
  • Maximum Speed: 12.0 mph
  • 10″ smart HD touchscreen 
  • Free 1 month iFit subscription
  • 16,000 training program + on demand workouts
  • 5 individual workout profiles
  • EasyLift folding system
  • Innovative SpaceSaver design 
  • Bluetooth audio  
  • Auto breeze workou

The NordicTrack T Series Treadmill is a fantastic piece of fitness equipment. In fact, we think it’s the best incline treadmill available on the market. The quality and features of this treadmill is comparable with a high-end gym treadmill. The main difference is that it is less bulky and less expensive treadmill.

An additional bonus with the treadmill package is a 1-month free iFit subscription, which provides you with unlimited on-demand workout sessions taught by an instructor. If you’re not interested in hiring a personal trainer for your treadmill workout, a fitness app can be your closest companion on your fitness path. The iFit coach program offers a variety of options, from an alpine hike to a hard-core trainer exercise. Treadmill running is no longer boring!

This treadmill is a work of art in every way. It has FlexSelect deck cushioning which makes running on it more enjoyable than going for a jog outside on concrete. This cushioning can withstand a significant amount of abuse and perform admirably. Probably it has one of the smoothest surfaces so you can get the pleasure of walking and running.

The equipment includes a huge touch screen that is simple to operate. It features cooling fans to give you comfort during the workouts.

It offers a wide range of speeds and incline levels. The treadmill is sturdy and does not move much when running. This is especially vital if you are overweight and require something stable and long-lasting when utilizing it.

The treadmill is a good size and handles are at a convenient location. It is critical for persons who have greater leg spans to have a treadmill that is long enough to allow their walking and running on the machine.

It is an excellent choice for those who want to bring the gym to them. This machine has alternatives for everyone, whether you’re trying to lose weight or maintain your current level of fitness. Even if you want to undertake a tough workout with inclination training, the machine can accommodate you.

The NordicTrack T Series is not just one of the best incline treadmill, it’s one of the best home treadmill overall. Really an incredible product with a sales price under 2000$.

PROS

  • Ergonomically design
  • Have FlexSelect deck cushioning for shock absorption
  • Suitable for long stride and heavier runners
  • Noise free even at faster pace
  • Foldable design and easy to store in small space
  • 10” HD touchscreen to browse a vast library of workouts
  • 1-month free iFit subscription
  • Have fan for comfortable run
  • Offers wide range of adjustable incline 
  • Side handlebars long enough to hold effectively
  • Have 10 years frame, 2 years parts  and 1 year in home labor warranty

CONS

  • No remarkable cons found

6. Schwinn Fitness 810 Treadmill

Schwinn 810 Treadmill-Best Treadmill for Marathon Training

Quick Snapshots of the Key Features:

  • SoftTrack deck cushioning
  • Motor Power : 1.9 HP
  • Tread Belt: 55’’ L x 20’’ W
  • Weight holding capacity: 275 lbs
  • Maximum speed: 10 mph
  • Incline level: 0-10%
  • Blue Backlit LCD Display
  • 16 workout programs and 2 user profiles 
  • Compatible with “Explore The World” app
  • Integrated heart rate contact grips
  • Soft Drop folding system
  • Console speakers and media shelf
  • USB charging port
  • Water bottle holders
  • Build in transportation wheels

Really, we could not resist ourselves to capture this awesome product in our top list of best treadmill for marathon training after analyzing its excellent features within affordable price (below $800).

It comes with a 10% incline level and variable speeds up to 10 mph. The speed and incline can be changed at the touch of a button. It’s a good mid-range incline treadmill for home use. 

It has SoftTrack cushioning system for low impact running workouts. You don’t need to worry if you have bad knees. You’ll be able to run for lengthy periods of time without experiencing any discomfort in your joints or feet.

This Schwinn model comes with 16 workout routines to keep your workouts interesting and challenging. Additionally, the technology supports two user profiles, making this treadmill an excellent choice for household scenarios with numerous users.

It has a 1.9 HP motor and 20” x 55” running belt. The running belt runs smoothly, and it doesn’t make a lot of noise. The handles are in a good position, and the control panel isn’t too complicated to operate.

Users of the Schwinn 810 can access three free virtual trails through the Explore the World app, which is displayed on the blue backlit LCD display panel. When you purchase and subscribe to Explore the World, you will get access more trails throughout the world and view sandy beaches and waterfalls. This provides a more immersive and enjoyable experience while walking, jogging, or running.

The soft drop folding system makes moving and storing the product simple when not in use. Additionally, the integrated heart rate contact grips, the in-console speakers, and the USB charging port are included.

The developers devoted great attention to the small but crucial details that help users every time they use the product. This features the media shelf, which can be used to store your phone or tablet device, as well as water bottle holders and transport wheels for mobility.

If you’re new to marathon training and are looking for something that will allow you to run long distances at a slow to moderate pace, you’ll be more than satisfied with it.

PROS

  • Excellent choice for household scenarios with numerous users
  • Offers more immersive and enjoyable workout
  • Have comfort cushioning to protect bad knees and joints 
  • Blue backlit LCD monitor tracks workout progress 
  • Offers a number of build in fitness programs
  • Easy to fold and store in a small space
  • Fairly easy to assemble
  • Little maintenance required
  • Excellent warranty

CONS

  • USB port doesn’t allow workout data transfer, only device charging

7. Sunny Health & Fitness SF-7874 Treadmill

Sunny Health & Fitness Electric Folding Treadmill-Best Treadmill for Marathon Training

Quick Snapshots of the Key Features:

  • Motor Power : 3.0 CHP
  • Incline level: 0-15%
  • Shock absorption technology
  • Tread Belt: 54’’ L x 18’’ W
  • Weight holding capacity: 285 lbs
  • Maximum speed: 11 mph
  • 7″ LCD Display
  • 14 preset workout modes and 3 customized user programs
  • Soft Drop folding system
  • Integrated with pulse grips sensor
  • Cup holders 
  • Body fat calculator
  • Build in MP3 Port and speakers
  • Transportation wheels

Sunny Health & Fitness is a well-known and well-established treadmill manufacturer with a reputation for producing low-cost, high-performance treadmills that frequently exceed customers’ expectations. This treadmill is no exception, providing high quality at a reasonable price. 

The treadmill features a 3 HP motor that allows for a top speed of 11 mph and is capable of handling all but the most strenuous running exercises. No matter what type of training you need to complete your marathon training regimen, the Sunny Health & Fitness treadmill can take it.

The 54″L x 18″W running deck is quite outstanding, with a maximum user weight capability of 285 lbs. It is equipped with some excellent shock absorption technology that can help minimize joint stress and injury risk.

The treadmill has 15 levels of automatic incline, which will be particularly useful for imitating hilly terrain or increasing intensity while keeping your running rate constant while training. Change speed and incline values instantly with the large quick buttons and handrail controls,

It has an 7″ LCD display that will show you time passed, distance travelled, speed, Calories burned  and it is easy to read the data. When you use the pulse grips during your exercise, you can get real-time statistics on your heart rate.

There are 14 preset workout modes and 3 customized user programs for accomplishing specific goals.

It comes with a foldable design and transportation wheels; so you can transfer and store it vertically or horizontally without any hassle. 

Additionally, it is equipped with MP3 Port and Speakers, allowing you to connect smart device for watching favorite shows and videos while exercising. It’s true that big things come in small packages! What else do you need?

 

PROS

  • Reduces the impact on your knees and joints while you run
  • Can tracks speed, time, distance, calories and incline
  • Easy to track heart rate in real time
  • Quick adjustment of speed and inclination
  • Can enjoy your favorite music via the auxiliary port
  • Allow to avoid harsh impacts and damage to your home floors
  • Easy portability,  no need for heavy lifting or muscle strain
  • Low power consumption and little maintenance required

CONS

  • No fan on the console

How to Choose Best Treadmills for Marathon Training

Here are some crucial features to consider while looking for the best treadmill for marathon training.

It should come as no surprise that marathon preparation entails a significant amount of long distance running. As a result, you’ll want a treadmill with plenty of cushioning and a powerful motor. So you’ll need a cushioned treadmill with a strong motor. Look for a treadmill with at least 3.0 continuous horsepower and a top speed of at least 10 mph.

Buyers of treadmills should conduct extensive study before making a purchase. In order to choose the best treadmill for marathon training, user take into account a number of key elements. Because they are frequently used, the durability issue is crucial while making a decision. Treadmills of good quality can withstand a lot of use. Because they are utilized commercially, only the highest grade treadmills will suffice to meet the requirements. As a result, the cost factor should be overlooked to some extent while keeping the goal in mind.

An inclination setting is not required, and there may be one or two treadmills on our list that do not have one, but they can be really useful. Especially if the marathon you’re training for involves a lot of hills, like Heartbreak Hill in the Boston Marathon. It is better to choose a treadmill that have a power incline of at least 10%. Inclines help you burn calories faster, improve your cardio workout, and keep you from becoming bored.

Another factor to consider is the tread belt; treadmills must have a high-quality tread belt or running track in terms of composition and size for serious runners. The normal track size is 20 inches wide by 60 inches long, however for marathon training, it is preferable to have a track that is wider and longer than the usual. A wide belt gives you more freedom of movement.

Treadmills must have innovative technology in addition to motors, cushioning, and treadbelts. One of the most advanced pieces of technology that is helpful for marathon training is wireless heart rate monitoring. 

Although most treadmills include touch pulse sensors incorporated into the handlebars, but wireless devices are preferable because they are more precise and convenient, particularly at higher speeds.

It should also feature an easy-to-read console with information on your speed, time, distance, pulse, and calories burned.

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