LifeSpan PRO3 Treadmill

Editor's Rating: 8.6/10
Update: This model has been discontinued. To find a suitable replacement, check out our treadmill finder here.

The heavy-duty PRO3 Treadmill by LifeSpan is distinguished by its supersized frame. Extra-large steel tubes and a wide base provide enough rigidity and strength for a heavy trainee’s long workouts. An extra-wide (22”) track is textured for traction and thick for comfort. Advanced workout profiles and a body mass calculator help round out this 275-pound best buy. Residential and commercial warranties apply.

What We Like:

  • Program Variety: Fourteen programs are loaded onto the user-friendly console. These include: 2 target heart rate programs, 5 speed challenges, 5 incline workouts, a 5K route and a 10K route. Furthermore, users can save two customized programs with their preferred speeds and inclines.
  • Motorized Incline: The PRO3 Treadmill offers 15 angles of incline training. The high-capacity incline motor has a maximum lift of 1,000 pounds– more than enough to adjust quickly and smoothly during dynamic workouts. Exercising on the incline dramatically increasing metabolism and helps tone different muscle groups. For example, while the lowest incline emphasizes the calf muscles, the steepest incline especially works the glutes.
  • Body Mass Readout: The treadmill can compute your body fat percentage and basal metabolic rate.
  • Oversized Track: The PRO3 Treadmill’s 60” x 22” treadbelt is wider than the vast majority of treadmill tracks. It’s also orthopedic, extra-thick, and suspended above eight shock absorbers. Finally, the 3” rollers help minimize wear and promote the track’s longevity.
  • Powerful Motor: The 3.0 HP DC motor is virtually silent and has a lifetime warranty.
  • High Speed: This machine’s lowest setting is .5 mph. Top speed is 12 mph.
  • Handlebar Controls: Activate the heart rate monitor or alter the treadmill’s speed and incline via buttons on the handlebars.
  • High Capacity: The user weight limit is 350 pounds.
  • Cooling Fan: An integrated fan helps regulate body temperature and support high-performance workouts.
  • Two Warranty Options: The commercial warranty is valid when treadmills are used for no more than three hours per day. It includes lifetime protection for the frame, five years on the motor, two years on parts and one year of labor. Residential customers get lifetime protection for the frame and motor, five years on parts and two years of labor.

What We Don’t Like


  • Too Much Machine: Measuring 74 by 36 inches, this treadmill will claim a sizable piece of real estate in your home. It weighs 275 pounds and doesn’t fold. A big purchase like this won’t fit everyone’s lifestyle.
  • Default Incline: The PRO3 treadmill has a slight incline even at the so-called zero setting. This gives a health advantage but might bother a person who wants an absolutely level surface.

Our Verdict

The PRO3 is a good buy for larger trainees. Its extra-wide orthopedic belt with traction makes a difference to people who carry extra weight. Also, the programming and tiltable track support both gentle and intense exercise. You can take easy strolls with the 5K program or feel the burn with incline training.

Most people don’t need an extra-large treadmill. Unless you need the PRO3’s extra-wide track, we recommend buying the LifeSpan TR4000i instead.  It has more workouts and can play MP3s. Like the LifeSpan PRO3 Treadmill, the TR4000i also has a 350-pound capacity.

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