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|SOLE S77||ProForm Boston Marathon 4.0|
|Motor Size||4.0 CHP||4.25CHP|
|Running Area||22” x 60”||20” x 62”|
|Weight Capacity||400 lbs||400 lbs|
|Footprint In Use (W,L,H)||36” x 82” x 58”||37" x 64" x 74"|
|Footprint Folded (W,L,H)||N/A||N/A|
|Incline Range||0% - 15%||-6% to 20%|
|Max Speed||12 MPH||15 MPH|
|Treadmill Best For||Walkers, Joggers, Runners||Joggers, Runners|
|Display||10.1” TFT LCD||10” touchscreen|
|PreInstalled Workout Apps||10||Marathon training programs|
|Heart Rate Monitoring||EKG handlebar grips, chest strap||Wireless chest strap|
|Water bottle cubbies||Yes||No|
|Warranties||Lifetime on frame, motor, and deck; 5 years on electronics; 2 years 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||2.75” front and back||2.5” front and back|
|Cushioning||Cushion Whisper Flex™ Deck||Runners Flex™ Impact Control|
|Customer Support||Phone support is limited to Monday-Friday, no weekends. Email sales support is 24/7||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||SOLE Fitness offers a 30-day trial with a money back guarantee. The customer will have to pay an 8% stocking fee when returning products||Depending on where you purchase this discontinues treadmill, you will be subject to their return policy|
Which is better? Comparison of SOLE S77 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.