Proform 505 CST Treadmill Review [February 2023]

Proform 505 CST Treadmill​

Built For Runners Who Want: an entry-level sturdy and durable treadmill for walking, running and jogging with built-in 18 exercise programs.

  • 2.5 CHP motor.
  • 10 mph of top speed.
  • 10 % power incline.
  • EKG grip pulse sensor.
  • 18 pre-programmed workouts.
  • 5″ back-light display.

A large number of people prefer to walk and run nowadays. Doctors even prescribed the older persons to at least walk for 1-2 km. But with the increased traffic and pollution, it becomes an arduous job. The solution is here. Use a treadmill. It helps everyone achieve their goals, such as walking and running. The interesting part is that you can walk or run at the same place at your convenient time with a lot of comfort. 

Today, we will talk about the Proform 505 CST Treadmill. It is one of the budget-friendly Proform treadmills with lots of features. You will get better functionality, durability, and comfort with this model. The pre-set 18 onboard programs are sufficient to challenge any fitness lover in several ways. Besides, the 30-day iFit trial membership lets you watch plenty of trainer-led workout videos on your own mobile or tablet while you perform your exercises. 

Go through this in-depth article so that you can decide whether the treadmill is a good choice for you or not. Let’s get started. 

Proform 505 CST Treadmill Review: First Impressions

Proform 505 CST Treadmill Specifications
Motor2.5 CHP
Incline Range0 – 10%
Running Area55″ x 20″ (L x W)
Top Speed10 MPH
Weight Capacity325 lbs
Preset Exercise Programs18
Heart Rate MonitorEKG Grip Pulse Sensor
Footprints73.5″ x 36.5″ x 61″ (L x W x H)
Warranty10 years (Frame), 1 year (Labor), and 1 year (Parts)

Reasons To Buy

  • Foldable frame.
  • Tablet / mobile holder.
  • Dual 2-inch speakers.
  • Supports 325 pounds weight capacity.
  • Better warranty service.
  • Good durability.
  • Budget-friendly price.

Reasons To Avoid

  • Some fitness lovers may not like the motor speed. 
  • The display is smaller.

Detailed Specifications​


  • Display – You will get a 5 inches LCD monitor with this equipment. 
  • Pre-Set Exercises – This equipment offers 18 pre-programmed workouts that you can perform. 
  • Heartbeat Monitoring – With the EKG grip sensor, you can check your heartbeat rate.
  • Motor – The 505 CST fitness machine contains a 2.5 Continuous Horsepower motor. This motor is enough for helping you with walking and running.
  • Belt – You will get a 55 by 20 inches treadmill belt with this equipment. It helps you perform your exercises precisely and comfortably. 
  • Incline – This machine offers incline from 0-10% at the push of a button. 
  • Device Holder – This equipment features a device holder where you can keep your mobile or tablet.
  • Speaker – With the built-in 2 inches speaker, you will be able to hear clear cut sound of your music and videos while you perform your exercises.

Proform 505 CST Treadmill Review


The 505 CST exercise machine is designed with excellent quality material to use for a walk, jog, or run. With this equipment, you will find various good features like a tread belt, rollers, and a 2.5 Continuous Horsepower motor. 


This workout equipment is constructed with a sturdy frame and high-quality material. You will get better stability and durability during use. When fully assembled, it is 73.5 inches in length, 36.5 inches in width, and 61 inches in height. Further, this Proform exercise equipment can bear a weight of 325 pounds. 


This Proform workout equipment offers its users a 2.5 CHP Mach Z commercial plus motor. Because of its smoothness, powerfulness, and durability, you can run a very long distance. This large-frame motor stays cool even if you perform the most strenuous workouts. Moreover, it creates a high level of inertia to provide a better feel. As the construction is done with high-quality components, you can use the motor for heavy use. 

Tread Belt

This Proform exercise equipment designed a roomy deck for providing you with a better feeling to make your in-home exercise experience comfortable while you walk, jog, and run. The belt is made 55 inches in length that gives your legs enough space to stretch out your stride. And the 20 inches width allows your upper body additional elbow room. The most trusted thing to know about the belt is that it is tested approximately for one million cycles at twice the user’s weight before its release. 

Balanced Rollers

This Proform workout machine contains 1.9 inches of precision-machined, balanced, and non-flex rollers. These medium-sized rollers minimize tension, and because of that, you will get to keep the wear and tear to a minimum. In addition, you will notice less noise and will get a better grip on these rollers. 


Running area/surface is quite good in this machine that provides better comfort. Also, the deck cushion and foldable feature of this Proform exercise equipment offer great relaxation while someone uses it. 

ProShox Cushioning

Proform 505 CST

One of the top goals of Proform is to provide you with a comfortable workout. This machine is also equipped with cushioning throughout the deck area. So whatever you do, like walk, jog, or run, you will have a softer landing with every step. Moreover, you will have less stress on your feet, ankles, knees, and hips, which will help you enjoy a longer workout and faster recovery time. 


Everyone prefers to have their house looking clutter-free. Because of this reason, this 505 CST workout equipment is made with a foldable feature. So after you are done with your workout, you can fold it up and place it in the corner of your house. This way, you can enjoy using this machine and not even have to sacrifice your living space for your fitness habit anymore. 

Preset Workout Programs​

After years of hard work and innovation, Proform has made your fitness experience comfortable and simple. At the time of using this exercise machine, you will get instant access to 18 on-board professional training programs. Some of these programs use your heart rate to make automatic adjustments to the speed and incline as required. Further, these exercise modes allow you to focus on your goals.

iFIT Membership

You can now engage in a whole new fitness experience as certified personal trainers take your workouts all over the world. With the iFit Coach, you will be led through an extensive collection of GlobeTrek workouts and an ever-growing library of limit-pushing Livecast exercise classes that let you move and sweat on and off your machine. Apart from that, you can connect your tablet to this “iFit Coach Ready” application via Bluetooth and try an iFit class or Google Maps running trail throughout the world. It’s like having a personal trainer who automatically adjusts the incline on your equipment and match the terrain you’re watching. It is gravely beneficial for you. This treadmill offers a free 30 days iFit trial membership. You can easily test this feature. But in case you do not like the offer, you can cancel the subscription before the free 30 membership ends.


Proform 505 CST
  • Display – Whoever does workouts always wants to see their performance right in front of their eyes. It helps them understand whether they are on the right track or need to modify their exercises. That’s why Proform has produced this exercise machine with a 5 inches backlit display. It lets you track your workout mileage, speed, calorie burn, heart rate, and time.  
  • Tablet Holder – Now you will be able to make your exercise session multi-tasking. The 505 CST exercise machine comes with an integrated tablet holder where you can keep your tablet or mobile secure and conveniently near to yourself. It will assist you to have access to various training videos as well as other entertainment videos. 
  • Audio Auxiliary Port – Now, you have the chance to have a better sound system. According to the experts, we increase or decrease our pace to match the tempo of our tunes. You are getting an auxiliary audio port with this equipment that allows you to listen to your favorite entertainment stuff at a higher volume. Additionally, the machine is built with dual 2-inch speakers that help you hear music or videos with minor complications. 


Proform 505 CST

The 55 x 20 inches (L x W) belt is recommended for users under 6’2″. The ProShox deck cushioning protects your joints for a comfortable run and recovery. You will be able to run at a speed of 10 mph, which is pretty good for a runner. Moreover, a self-cooling Mach Z drive system provides speed, interval, and endurance cardio training.

Incline Control 

The treadmill with incline training is a game-changer. This Proform equipment offers powered automatic incline adjustability, maximum up to 10%. Whenever you train with incline, you are giving your legs the best possible workout on a treadmill. 

Digital Quick-Speed Control

Not everyone else runs at a speed of 10 miles per hour. Interestingly, with a big motor size and a faster flywheel gear ratio, the 505 CST running machine supports a speed of 10 miles per hour. Further, this equipment does not consume an excessive amount of electricity. Now, you can also stay focused through every step of your workouts with easy-to-use quick-speed buttons that adjust your intensity instantly. 

Heart Rate Sensor

You will get two hand-grip sensors that are conveniently built into the handlebars. Within a couple of seconds, you will be able to see your heart rate on the screen while you do your exercises.  

Setup Process

The 505 CST fitness machine is easy to assemble. It comes with detailed instructions that are unequivocal and effortless to follow. Besides the written directions, you will get various pictures that will be a help while setting up the equipment. The unit is quite heavy and needs a push trolley to move it. My suggestion for you is to assemble the product by taking help from some of your family members or friends.

What’s covered by the warranty?

While purchasing any equipment, we always think about its warranty process. Suppose we suddenly get any part, or other things of the machine damaged, we have to repair it. At that time, the repair cost disheartened us. But this machine provides you the following time for repairing the respective things.

  • Frame: 10 years.
  • Labor: 1 year.
  • Parts: 1 year.

Final Verdict​

This workout equipment is an entry-level treadmill for walking and running. But the features it offers are good enough in this price range. If you are looking for some other advanced features, you have to spend more bucks. You will get all the necessary details about the advanced level treadmills also on our site. 

Nevertheless, this Proform 505 workout machine is durable, stable, reliable, and sturdy enough to hold 325 pounds of weight. All of your family members can use this for running and jogging at home conveniently. 

All in all, you will get an excellent space-saving folding design, better warranty service, 2.5 Continuous Horsepower motor, heart rate monitoring sensor, 2″ speakers, device holder, and various other features suitable for your home gym. 

Frequently Asked Questions​

1. Do I really need to sign up for the iFit application for using the treadmill?

No, you do not need to sign up for the iFit app for using this machine. But you will be provided with a 30-day free subscription for this app. You can use this membership trial free of any charge, but you have to manually cancel it right before it ends. Otherwise, you will be charged the fees from your credit card. Nevertheless, if you do not wish to use it at all, you can perform your workouts from the 18 pre-set exercise programs. 

2. What are the assembled dimensions of this Proform 505 CST Treadmill?

This machine is 73.5 inches long, 36.5 inches wide, and 61 inches high.

3. How much does the workout machine weigh?

This machine weighs around 203 Pounds.

Nisha Batel
Nisha Batel

About the author

Nisha Batel is a senior staff writer at Fierce Running, where she covers various types of fitness equipment. Nisha believes that every runner is different and needs a program designed around their life and their goals. That’s why she is sharing expert reviews and running tips, all of which are geared to help. She is always ready to try new things and share them here.
After her first race (a half marathon in 2009), she found a new deep sense of pride within herself and wanted to feel that every day. So she started giving her time to keep herself healthy. She believes that staying fit is the key to a happy and fruitful life.
Along with this, she loves to do healthy cooking, swimming, and meditation. Exploring various platforms for blog writing is one of her passion. She also loves to design indoor and outdoor spaces. In her free time, when she’s not writing, she enjoys watching movies, exploring different places with her beloved husband.