Struggling to get in your 10k steps per day is becoming a thing of the past. With small under-desk treadmills in work-from-home setups and offices, it’s now easier to walk while you work at your desk. But, out of all the options, which ones are worth it? The LifeSpan TR1200 DT3 (also called the TR1200 Glow-Up) Under-Desk Treadmill is worth it.
If you want a reliable treadmill to keep up with your fitness goals while crushing your next performance review, this under-desk treadmill could be the one for you. It has a minimal design, a 350-lb weight limit, and a rated use of up to 6 hours.
Will it work for everyone? Yes. Is it suitable for everyone? No. A few things could be deal breakers for some. So, keep scrolling this review to learn everything you need to know.
LifeSpan TR1200 DT3 Treadmill Review: Bottom Line
LifeSpan TR1200 vs. Similar Treadmills
Here is a quick comparison of the LifeSpan TR1200 against other small and under-desk treadmills.
 LifeSpan TR1200 |  LifeSpan TR5000 |  WalkingPad A1 Pro |  WalkingPad C2 |  InMovement UnSit | |
| Price (MSRP) | |||||
|---|---|---|---|---|---|
| Star Rating | |||||
| Bottom Line | A quality, quiet, under-desk treadmill to get work done at your desk for up to 6 hours daily. | The LifeSpan TR5000 counts your steps, auto-pauses, and runs for up to 9 hours per day for desk workers serious about their steps. | This compact and affordable folding under-desk treadmill is surprisingly robust for larger users. | A very small under-desk treadmill with a deck that folds in half and a slim profile to store under a bed or couch. | The InMovemet UnSit treadmill’s 30” x 40” belt breaks the traditional under-desk treadmill mold in a thoughtful and revolutionary way for your office space. |
| Awards Earned | |||||
| Check Price | Check Price | Check Price | Check Price | Check Price | Check Price |
| Product | LifeSpan TR1200 | LifeSpan TR5000 | WalkingPad A1 Pro | WalkingPad C2 | InMovement UnSit |
| Workout Experience | 8 | 8 | 8 | 6 | 8 |
| Specs / Features | 7 | 8 | 6 | 6 | 7 |
| Dimensions / Storability | 5 | 5 | 10 | 10 | 3 |
| On-Board Workouts & Apps | 6 | 6 | 6 | 6 | 6 |
| Build Quality | 9 | 9 | 8 | 6 | 8 |
| Overall Score | 73 | 75 | 75 | 68 | 74 |
| # of Onboard Workouts | 1 | 1 | 1 | 1 | 1 |
| Paid Programming - Cost | N/A | N/A | N/A | N/A | N/A |
| Netflix / 3rd Party Apps | N/A | N/A | N/A | N/A | N/A |
| Display | omni-hub console, retro console | Desktop Console (Omni or Retro) | LED digital display | LED digital display | dial console; app option |
| Dimensions (In Use) | 63" L x 28.5" W x 7.25" H | 63" L x 28.5" W x 7.25" H | 56.37” L x 21.5” W x 5” H | 57” L x 20.4” W x 5” H | 56" L x 39" W x 8.9" |
| Deck Size | 20" x 50" | 20” x 50” | 16.5” x 47” | 15.75” x 47.2” | 30" x 40" |
| Folding? | |||||
| Treadmill Weight | 114 lbs | 119 lbs | 61.73 lbs | 55 lbs | 162 lbs |
| Weight Capacity | 350 lbs | 400 lbs | 230 lbs & 300 lbs | 220 lbs | 400 lbs |
| Motor Size | 2.25 HP | 3.0 HP | Brushless | Brushless | 2.75 HP |
| Max Speed | 0 to 4.0 mph | 4 mph | 0.5 to 3.72 mph | 0.5 to 3.72 mph | 2 mph |
| Incline/Decline | N/A | N/A | N/A | N/A | N/A |
| Warranty | 10-year frame, 2-year parts, 1-year labor | 10-year frame; 2-year parts, 1-year labor | 1-year | 1-year | lifetime frame, 2-year parts, 1-year labor |
| Additional Features | Intelli-Guard deck safety, Intelli-Step counter, 6 hours of daily use | Intelli-Step, Intelli-Guard, All-day use | folding deck, automatic mode, Bluetooth | folding deck, automatic mode, Bluetooth | All-day use, supports a chair, automatic shut-off |
Dimensions/Storability
The TR1200 weighs 114 pounds, which is lightweight compared to large running treadmills. It’s bigger than other under-desk treadmills, though. Two front-mounted transport wheels make it relatively easy to lift and roll for proper under-desk positioning. It is not recommended that the treadmill be routinely moved in and out of a closet or between offices.
While it is well built, the treadmill works best when placed where you plan to use it and move infrequently. It’s still pretty heavy, and it doesn’t fold up, so it doesn’t store as easily as others.
When you need to move the TR1200, it is relatively easy to roll around.
It is also not recommended to store the LifeSpan TR1200 upright. Lubricant from the belt could drip down into the motor, damaging it if it is stored upright and leaned against a wall. Other under-desk treadmills, like the Redliro 2-In-1 Under-Desk Treadmill, are designed to be stored upright.
Related: How to Safely Move Your Treadmill: A Step-by-step Guide
Onboard Workouts & Apps
Even though it doesn’t come with a touchscreen, the TR1200 can be used with a compatible app from LifeSpan on your device. The different console options are nice to have, too. Here is what this treadmill is like to use on the console and in the app.
Console
When you buy the LifeSpan TR1200, you have the option of either the Retro or Omni-Hub consoles. We have both. The Retro console feels more, well, retro. It has a red LED display screen and labeled buttons for adjusting the treadmill. It is wider than the Omni-Hub console and cheaper.
The Omni-Hub is more compact and has an updated look.
Both consoles are designed to sit on your desk. This way, you don’t have to look down at the treadmill to see your metrics like time, distance, steps, speed, and calories, which both consoles display.
A safety key clips into either console and then can be clipped to your clothing. This is helpful in case you fall while on the treadmill.
Both consoles have similar functionality. They have clear displays to show your metrics. The Omni-Hub console has preset settings to input specific speeds.
The non-raised buttons and digital screen make this console easy to use.
App And Other Features
Both consoles are Bluetooth enabled to connect to the LifeSpan Club App. This is where you can track past workouts, create a profile, and set goals.
The LifeSpan TR1200 includes onboard Intelli-Step technology. Even if you step on and off the treadmill throughout the day, the Intelli-Step feature will keep track of your total steps.
The Intelli-Guard technology ensures a safe work environment and makes sure the treadmill operates only when you are actively walking on it. The LifeSpan Intelli-Step feature tracks your steps and the Intelli-Guard safety mechanism turns off the belt whenever you step off it. This allows you to walk away from your desk without having to manually turn off the treadmill – and when you return, you won’t accidentally step on a moving belt.
This is also a great safety feature if you work at home with children or pets around.
Related: Step Your Way to Wellness – Benefits of Treadmill Walking
Build Quality
Overall, we’re impressed with the construction of the TR1200 and find it to be very similar to the TR5000 from LifeSpan. When you purchase the TR1200, only the treadmill and your choice of a console are included. You can buy a desk from LifeSpan, but they are sold separately. So, for this review, we are only going to go over our experience using the LifeSpan TR1200 with our own standing desks.
The LifeSpan TR1200 can fit under most standing desks.
Frame
The treadmill itself features a sturdy frame and has a low step-up height of 5.25” which makes it pretty easy to step on and off. The low profile design helps it fit under most standing desks, too. I have to raise my standing desk slightly when I put the TR1200 under it compared to when I was just standing at my desk.
Considering that this LifeSpan under-desk treadmill can handle up to 350 lbs, it’s pretty hardy for how small it is. It isn’t as small as others like the Redliro 2-In-1 or the WalkingPad C2, but it has a much larger weight capacity than these models.
The TR1200 doesn’t feature an incline or decline, which is actually preferable for an under-desk treadmill. Since you are standing in front of a desk, an incline can negatively impact your posture. The TR1200 keeps you upright and supports a good walking stride while you work at your desk.
There aren’t any handles or uprights, so we only recommend it for use under a desk.
Motor
The 2.25 HP motor is quiet and provides a speed range of 0.4 – 4.0 mph. This treadmill shouldn’t bother those in a shared office. When we tested it, the most noticeable noise was from the belt as it slid along the deck. The motor itself makes hardly any noise. Depending on the user’s shoes and weight, the noise output may vary, but in general, this is a quiet treadmill in and of itself.
A low-profile motor hood on the front of the treadmill keeps the motor quiet and protected so it doesn’t impede your stride.
The 2.25 HP motor is not as powerful as the TR5000, but it works great for walking and at slower speeds. It is said to handle up to 6 hours of use per day, and it feels like it can. The motor is quiet and supports a smooth walking pace. It is pretty quiet, so you should be able to use it in a shared office. That’s how we’ve used it, and my coworkers don’t find it to be disruptive. It beeps to start, which is annoying but a good indication of when the belt is going to start and stop moving.
I know for me personally, 1.5-2 mph is kind of my sweet spot for using a treadmill at my desk. Any faster and I can’t type or read as well. But the TR1200 will go up to 4 mph if needed (maybe for a Zoom call — you can walk while you listen). So, overall this speed range is excellent for working at your desk.
Related: Walk While You Work: Discover the Best Under-desk Treadmills
Deck
The TR1200 has six shock absorbers under the deck to add joint support and cushioning while you walk. Since many office users may wear business shoes with less cushioning and support than athletic shoes, the TR1200 deck is designed to be supportive and comfortable as you walk throughout your day. You can also tuck a pair of easily removable athletic shoes under your desk to enhance your walking experience. The LifeSpan TR1200 has more cushioning and feels softer underfoot than WalkingPads and Redliro treadmills, which are smaller and less expensive.
The deck measures 20” wide and 50” long, which is enough room for a comfortable walking stride. This width is a little wider than other under-desk treadmills. It isn’t as wide as the InMovement UnSit; however, unlike the UnSit, the TR1200 should fit under most desks.
Under-Desk Use
The TR1200 is a quiet treadmill designed for office use that will pair with many standing desks. The TR1200-DT3’s fairly compact dimensions make it easy to place under your standing desk, or you can select from one of LifeSpan’s three desk options (sold separately).
This sized under-desk treadmill is great for most people.
Using the LifeSpan TR1200 is really easy and intuitive. Plus, having the console at your fingertips and within view is a plus. Other under-desk treadmills like the Sunny Health & Fitness Walkstation and WalkingPads have an LED panel over the motor hood and a handheld remote to control the treadmill. With treadmills like this, you have to be careful not to lose the remote. Otherwise, you won’t be able to use the treadmill. You don’t have to worry about losing a remote with the TR1200.
Warranty
LifeSpan includes a nice warranty when you purchase the TR1200-Glowup. The warranty covers the frame for 10 years, parts for 2 years, and labor for 1 year. No assembly is required. The TR1200 comes fully assembled; you just have to plug in whichever console you decide to buy.
Related: How to Maintain Your Treadmill for Long-lasting Performance
Should You Buy The LifeSpan TR1200 Under-Desk Treadmill
One of our top-recommended under-desk treadmills is the LifeSpan TR1200. Quality, power, and performance are packed into this under-desk treadmill. It’s a reliable and durable under-desk treadmill that you can walk on for hours every day. It also appeals to more users because it has a higher weight limit than other comparable models.
Keep in mind that its size is what makes it so durable and powerful, but that is a reason why it might not work for you. It can’t be stored upright or folded like other tiny treadmills, but if you have the space and budget, we recommend it over many smaller and cheaper under-desk treadmills.
So should you buy it? If you’re looking for a high-quality under-desk treadmill that allows you to keep up with that 10,000+ steps a day goal, then definitely.
LifeSpan TR1200 DT3 Under-Desk Treadmill Q&A
Is a LifeSpan under-desk treadmill worth it?
LifeSpan under-desk treadmills are some of the best on the market. We have used every model from the brand, and these are the ones that we continue to use —especially when we want to walk practically all day.
LifeSpan under-desk treadmills are a little pricier than others you’ll find on Amazon, but with how quiet, powerful, and high-quality they are, they are worth the investment.
How much does the LifeSpan TR1200 Treadmill weigh?
The TR1200 is a larger and heavier under-desk treadmill. It weighs 114 lbs, but it has front transport wheels to move it around fairly easily when you need to.
Is our LifeSpan TR1200 DT3 Treadmill review paid?
No, this is not a paid review. LifeSpan sent us this treadmill to test, but we were not compensated for writing this review. We have affiliate links; this is how we’re paid. If you’re ready to purchase, we’d love your support in purchasing through our links. We create these reviews for consumers at home who don’t have the opportunity to test treadmills before buying.
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