Best Fitness Subreddits
Fitness subreddits for lifting, running, cycling, climbing, martial arts, nutrition and weight loss. Many have detailed wikis with beginner programs.
We list 31 fitness subreddits with about 53.9M subscriptions between them. The median one has 477K members, and the biggest, r/Fitness, has 12.4M.
Tip: Read the wiki or FAQ first. Big fitness subreddits answer common beginner questions there and remove repeats.
| # | Subreddit | Members | What it’s about |
|---|---|---|---|
| 1 | r/Fitness | 12.4M | A place for the pursuit of physical fitness goals. Please see the r/Fitness Wiki and FAQ at for help with common questions. |
| 2 | r/nutrition | 5.9M | A subreddit for the discussion of nutrition science. Macronutrients, micronutrients, vitamins, diets, and nutrition news are among the many topics discussed. Civil… |
| 3 | r/bodyweightfitness | 4.7M | Bodyweight Fitness is for redditors who like to use their own body to train, from the simple pullups, pushups, and squats to the advanced bodyweight fitness movements… |
| 4 | r/loseit | 4.1M | A place for people of all sizes to discuss healthy and sustainable methods of weight loss. Whether you need to lose 2 lbs or 400 lbs, you are welcome here! |
| 5 | r/yoga | 3.3M | Reddit's best place for all things yoga. |
| 6 | r/Boxing | 3.1M | Welcome to /r/boxing, reddit's home for pro boxing enthusiasts! Please check out our rules and FAQs before posting: Our basic rules are... |
| 7 | r/xxfitness | 3.1M | We're a community targeted at female and gender non binary/gender non conforming redditors to discuss fitness. |
| 8 | r/bodybuilding | 2.9M | POSTING RULES FAQ/wiki News, articles, pictures, videos & advice on everything… |
| 9 | r/business | 2.5M | /r/business brings you the best of your business section. From tips for running a business, to pitfalls to avoid, /r/business teaches you the smart moves and helps you… |
| 10 | r/crossfit | 1.8M | A community for discussing all things CrossFit, including: • The methodology – weightlifting, functional fitness, training, lifestyle, and tips. |
| 11 | r/climbing | 1.6M | The home of Climbing on reddit. And yes we are scared of falling. |
| 12 | r/cycling | 1.4M | Discussion of everything bicycle related. bikeit! bike bikes bicycle bicycles bicycling cycling |
| 13 | r/bicycling | 1.2M | Two wheels, or three, sometimes one, but never more than twenty. Interested in riding a bicycle? We welcome bicyclists of all skill levels including those who don't yet… |
| 14 | r/GYM | 1M | A community for Redditors to discuss any topics relating to general fitness; with an emphasis on barbell & dumbbell lifting, as well as calisthenics (bodyweight… |
| 15 | r/bjj | 868K | Brazilian Jiu-Jitsu (BJJ) is a martial art that focuses on grappling and ground fighting. /r/bjj is for discussing BJJ training, techniques, news, competition, asking… |
| 16 | r/martialarts | 477K | A Sub-Reddit for all things martial arts related |
| 17 | r/AdvancedRunning | 457K | Discussion about advanced training, racing, tactics, elite running, support, advice, and more. "Advanced" Running is NOT based on your level or race times. |
| 18 | r/bouldering | 452K | Cordless and proud. For commonly asked questions, see our wiki |
| 19 | r/fitmeals | 422K | Your online kitchen for fitness enthusiasts, people looking to eat healthier, and the like. |
| 20 | r/orangetheory | 316K | The unofficial community for anyone interested in Orangetheory Fitness. Come here to discuss the workouts, the results, and get help from your fellow OTFers. |
| 21 | r/weightlifting | 301K | /r/weightlifting is where we discuss the competitive sport of Weightlifting; the Snatch and Clean and Jerk. |
| 22 | r/RunningShoeGeeks | 268K | A place for runners to share running shoe related news, releases, reviews, and deals. Please use our sister sub r/AskRunningShoeGeeks for all personal questions or… |
| 23 | r/bikecommuting | 218K | Sustainably commuting by bicycle. |
| 24 | r/nattyorjuice | 184K | A place away from r/bodybuilding and r/steroids to discuss whether the people you post are, or have been, on some sort of juicy substance or not. |
| 25 | r/gravelcycling | 172K | For those that like their bikes on the rocks. |
| 26 | r/amateur_boxing | 169K | Boxing for boxers, not spectators. |
| 27 | r/FacebookAds | 164K | This community is a place to discuss best practices and strategies involved in running successful Facebook and Instagram ad campaigns. |
| 28 | r/PetiteFitness | 164K | "Welcome to your fitness community for women 5'4" and under! This is a supportive space to discuss our unique fitness and health journeys, whether you're looking to lose… |
| 29 | r/gymsnark | 114K | The laypeople's audit of the unregulated parts of the fitness community. Not associated formally or informally with r/blogsnark - great sub, but they aren't responsible… |
| 30 | r/CurseofStrahd | 101K | This subreddit serves as a helpful place for anyone running the Curse of Strahd module for D&D 5e. We also have a discord server |
| 31 | r/PHMotorcycles | 99K | A place for Filipinos to talk about their bikes. |
Member counts were recorded in July 2025 and are shown as a size guide; current numbers may differ.
Frequently asked questions
What is the biggest fitness subreddit?
Of the subreddits on this list, r/Fitness is the largest with about 12,428,679 members, followed by r/nutrition with 5,863,970.
Are there smaller fitness subreddits?
Yes. If the big subreddits feel too busy, try r/PHMotorcycles (99K), r/CurseofStrahd (101K), r/gymsnark (114K). They are the smallest communities on this page.
How is this list ordered?
The 31 fitness subreddits are sorted by subscriber count (July 2025). A subreddit is included when its name or sidebar description is about fitness, so some also appear under Sports.