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SOLE S77 VS ProForm Boston Marathon 4.0

Not sure which Treadmill is better? Compare SOLE S77 VS ProForm Boston Marathon 4.0and make the right choice. The table below compares the crucial specs of both models. Helpful video reviews are also provided. Once you made your choice, check the prices on Amazon!

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Appearance, Dimensions​ and Technical Details​

SOLE S77ProForm Boston Marathon 4.0
Motor Size 4.0 CHP4.25CHP
Running Area 22” x 60”20” x 62”
Weight Capacity 400 lbs400 lbs
Folding NoNo
Footprint In Use (W,L,H) 36” x 82” x 58”37" x 64" x 74"
Footprint Folded (W,L,H) N/AN/A
Incline Range 0% - 15%-6% to 20%
Max Speed 12 MPH15 MPH
Treadmill Best For Walkers, Joggers, RunnersJoggers, Runners
Electrical Requirements 113-120V120V
Display 10.1” TFT LCD10” touchscreen
PreInstalled Workout Apps 10Marathon training programs
Speakers YesYes
Fans YesYes
Heart Rate Monitoring EKG handlebar grips, chest strapWireless chest strap
USB port YesNo
Audio Jack YesYes
Water bottle cubbies YesNo
Device holder YesNo
Warranties Lifetime on frame, motor, and deck; 5 years on electronics; 2 years laborLifetime for frame, deck, and motor, 6 years on parts and electronics, 3 years on labor
Belt 2-ply2-ply commercial belt
Roller Size 2.75” front and back2.5” front and back
Cushioning Cushion Whisper Flex™ DeckRunners Flex™ Impact Control
Customer Support Phone support is limited to Monday-Friday, no weekends. Email sales support is 24/7As 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 productsDepending on where you purchase this discontinues treadmill, you will be subject to their return policy

Review videos

Overview and Specs

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.

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