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|ProForm SMART Performance 800i||ProForm Boston Marathon 4.0|
|Motor Size||2.75 CHP||4.25CHP|
|Running Area||18” W x 60” L||20” x 62”|
|Weight Capacity||315 lbs||400 lbs|
|Footprint In Use (W,L,H)||33.5” x 76.23” x 57.64”||37" x 64" x 74"|
|Footprint Folded (W,L,H)||N/A|
|Incline Range||-2% to 10%||-6% to 20%|
|Max Speed||12 MPH||15 MPH|
|Treadmill Best For||Walkers, Light Jogging||Joggers, Runners|
|Display||14” Smart HD Touchscreen||10” touchscreen|
|PreInstalled Workout Apps||50||Marathon training programs|
|Heart Rate Monitoring||Handlebar pulse grips||Wireless chest strap|
|Water bottle cubbies||Yes||No|
|Warranties||Lifetime motor and frame coverage, 3-year parts, and 1-year labor||Lifetime for frame, deck, and motor, 6 years on parts and electronics, 3 years on labor|
|Belt||2-ply||2-ply commercial belt|
|Roller Size||2.5” front and back|
|Cushioning||ProShox Cushioning||Runners Flex™ Impact Control|
|Customer Support||Live chat, email, and phone||As this treadmill is discontinued, the customer service is not through ProForm. Support will depend on the third-party company you purchase from|
|Return Policy||30-day trial return||Depending on where you purchase this discontinues treadmill, you will be subject to their return policy|
Which is better? Comparison of ProForm SMART Performance 800i VS ProForm Boston Marathon 4.0 treadmills. Compare the characteristics of each product and make your choice. Below you can see the most important specifications that you should check before purchase.