Tested by 
- Labor Day Shoe Deals.
- It’s a road-runner favorite thanks to its responsive feel underfoot.
- You get access to the Centr app free for 3 months, and it’s not just for running.
The Centr Runr-S is the treadmill you need if you want to streamline your training between the road and your living room, and right now, it’s an unheard-of 23 percent off for Prime Day, which runs from today, July 8, to Friday, July 11. What makes it special is its firm, underfoot feel, closely mimicking the sensation of pounding the pavement outdoors. This responsive surface is for runners who crave that authentic road feedback, making every stride feel natural and helping you maintain your outdoor form even when training inside.
Pros
- Great screen
- Super responsive
- Easy to fold
- Fun programming
Cons
- Shorter deck
Key Specs
| Deck Size | 20 The Centr Runr-S is the |
|---|---|
| Weight Limit | 300 lbs |
| Max Speed | 10 mph |
| Max Incline | 12% |
Shokz Prime Day Deals easy foldability. Unlike many bulky treadmills that dominate your living space, the Runr-S is designed to basically pack up. With a smooth folding mechanism and hydraulic lift, you can quickly collapse the deck and tuck it away, making it ideal for apartments or multipurpose rooms. The compact footprint, paired with integrated wheels, means you can move and store the treadmill without breaking a sweat.
Operating the Runr-S is refreshingly simple. The intuitive controls and clear display make it easy to adjust speed and incline on the fly, even during intense intervals. Whether you’re a tech novice or a running watch enthusiast, you’ll appreciate how user-friendly the interface is—no complicated menus or confusing buttons it links to both your phone and watch seamlessly. Just hop on, tap a few controls, and you’re ready to run.
Another feature that enhances the Runr-S experience is its integration with the Centr Training app. Founded by Chris Hemsworth (Thor!), Centr is renowned for its science-backed fitness programs that also happen to be a ton of fun. Plus, many of the trainers have an Aussie accent. The app syncs seamlessly with the treadmill, unlocking a metric ton of guided workouts and interactive features. Centr’s library is packed with some of the most fun and engaging workouts available in any fitness app—from high-energy HIIT sessions to endurance runs and even HYROX race training that will have you wrung all the way out. Hand-chosen coaches craft the app’s workouts, offering a blend of cardio, strength, and mobility that ensures you never get bored and always stay challenged.
Centr’s recent expansion means even more variety and personalization, with new training styles and features being introduced throughout 2025. The app offers self-guided audio coaching, customizable workouts, and performance tracking, making it easy to tailor your training to your goals. The music and coaching sync feature keeps you motivated, blending expert cues with energizing playlists if you’re tired of your “emo millennial meets Swiftie” playlist.
For runners, the combination of a firm, road-like treadmill deck and the dynamic Centr app creates an unbeatable home training setup. You get the physical benefits of realistic road running, the convenience of a foldable and easy-to-operate machine, and the motivational boost from some of the most enjoyable and effective workouts in the industry. Whether you’re chasing a new PR or just want to make daily runs more exciting, the Centr Runr-S and Centr app duo deliver on all fronts.
In short, the Centr Runr-S Treadmill is a wise investment for anyone serious about running. It brings the outdoors inside with its firm deck, saves space with its folding design, and keeps you motivated with Centr’s ever-expanding library of fun, expert-led workouts. If you want a treadmill that truly supports your road running goals and makes every session enjoyable, this is the one to beat.
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Cat Bowen has been covering parenting and home for over a decade. At Best Products, she has tested hundreds of products for parents and for the home, often spending dozens of hours per product to ensure her reviews are accurate and informative. Prior to joining the team, she was at Romper where she covered everything from breastfeeding to child sleep habits to abortion rights access. You can find her work on Bustle, Romper, and more. Cat is a bit of an intellectual magpie and perpetual student, most recently receiving a graduate degree in gender studies where she examined a topic that vexes so many — pockets in women’s clothing.
Health - Injuries Runner’s World and the director of product testing. He has tested and reviewed running shoes, GPS watches, headphones, apparel, and more for nearly two decades. He regularly tests more than 100 pairs of shoes each year, and once had a 257-day streak running in different models. Jeff can usually be found on the roads, racing anything from the mile to a marathon, but he also enjoys racing up mountains and on snowshoes. When he’s not running, you’ll probably find him hanging from a ladder making repairs and renovations to his house (he’s also director of product testing for Popular Mechanics).
