100 Fitness forum communities
Updated 10/5/2026
Peptigrity forum
Peptigrity Forum is the peptide community built around independent vendor rankings, where shops are scored on real third-party lab testing instead of marketing claims. Members share what they use, rate the shops they've bought from, and ask questions about COAs and lab results. Peptigrity takes no ads, affiliate money or sponsorships, so no vendor can pay for a better score.100 members
ForumCoursesTools60 views / month
Self Improvement Academy
on discord
**Are you tired of being physically and mentally weak?** 🔱 | Join the brotherhood to become physically and mentally stronger. 🔱 | Mission: To lead you to improvement.345 members
ForumChatPerksEventsCourses30 views / month
r/effectivefitness
on reddit
The best Fitness Community, subreddit linked to discord.gg/fitness | Effective Fitness the best fitness discord server111K members
ForumChat16 views / month
r/transfitness
on reddit
This sub is for the promotion of healthy fitness goals, advice, and encouragement for the transgender community. All are welcome here that wish to participate in a positive manner.15K members
Forum26 views / month
r/FemaleBodybuilding
on reddit
A place for women interested in hypertrophy. Whether you're an amateur just looking to get bigger or a competitor looking to dial in your conditioning, come on in! This is NOT a fetish community. Sexual content is not allowed - if your post contains nudity, or if you’re posting from an OnlyFans account, your post will be removed. Repeat offenders will be banned.27K members
Forum14 views / month
Calisthenics and Body Weight Training
on facebook
A group dedicated to everything relating to Calisthenic and body weight training. A space where you can share your workouts, knowledge, tips, progress and results along your calisthenic journey. Feel free to ask questions, provide answers, motivation and support in reaching your callisthenic goals.483K members
Forum15 views / month
r/HalfMarathon
on reddit
Anything related to Half Marathons from training to tips, questions, and boasting!14K members
Forum15 views / month
r/hypertrophy
on reddit
Everything about building muscle11K members
Forum23 views / month
r/brogress
on reddit
"Bro" is a state of mind and attitude. r/Brogress is representative of that: The place to show off the ongoing pursuit of a better you, step by step!259K members
Forum18 views / month
r/xxfitness
on reddit
We're a community targeted at female and gender non binary/gender non conforming redditors to discuss fitness. However, all genders are welcome to contribute, all we ask is that you abide by the rules.3.1M members
Forum20 views / month
Padel Players Community
on facebook
An international Facebook community bringing padel players together from around the world. Share your game highlights, find partners, get coaching advice, discuss clubs and equipment with players from every level.ForumChatEvents17 views / month
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Fetcheveryone
Free training and racing tools for runners, cyclists, swimmers, and walkers. Analyse your training, find races, plot routes, chat in the forum, and get advice. Nothing is behind a paywall.116K members
ForumEvents10 views / month
r/kettlebell
on reddit
Forum for kettlebell enthusiasts.343K members
Forum18 views / month
r/weightroom
on reddit
A subreddit for general weight training discussion, focused on intermediate level and above in experience and strength, for those ranging from strength sport competitors, sports that benefit from weight training, or weight training enthusiasts. Or for people to tell /u/WeaponizedSleep to eat more.397K members
Forum17 views / month
r/WearableFitness
on reddit
/r/WearableFitness is a place for users of wearable tech to discuss the latest wearable fitness products and to share their own achievements. Users of all wearable platforms are welcome!302 members
Forum15 views / month
Calisthenics Community Facebook
on facebook
The Calisthenics Community is a group for any and every calisthenics enthusiast to come together and collaborate, ask questions, share progress, and grow as a family.6K members
Forum10 views / month
r/carnivore
on reddit
Welcome to r/carnivore. This community is different than typical diet communities, it's not a grab bag of hacks for undereating It's all about restoring health and that means the first order of business is improving health markers and starting to increase muscle and bone density -- yes, that means you can and should eat heartily to appetite. If you're ready to get started eating fatty meat without carbs, check out -- https://www.reddit.com/r/carnivore/wiki/faq/#wiki_getting_started96K members
Forum19 views / month
Wim Hof Method Community
on facebook
Official Facebook community for the Wim Hof Method, covering cold therapy, breathwork, and mental fortitude practices for health and longevity.Forum14 views / month
WHOOP Community
on facebook
Community for WHOOP wearable users focused on recovery, sleep optimization, HRV tracking, and performance data to improve healthspan and longevity.Forum13 views / month
r/RunningShoeGeeks
on reddit
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 recommendation requests. This sub is NOT affiliated with any other RunningShoeGeeks on other social media platforms.320K members
Forum27 views / month
r/spartanrace
on reddit
r/Spartanrace is a place for OCR enthusiasts who enjoy or plan to run Spartan Races. Racers of all experience levels welcome!30K members
Forum14 views / month
r/Fitness
on reddit
A place for the pursuit of physical fitness goals. Please see the r/Fitness Wiki and FAQ at https://thefitness.wiki for help with common questions.12.6M members
Forum24 views / month
r/sleep
on reddit
Good sleep is essential for our health and happiness. Find and strengthen your best habits and help others improve theirs.709K members
Forum24 views / month
r/MuayThai
on reddit
All things Muay Thai, news, upcoming events & general discussion. From fighters to fans, everyone is welcome!334K members
Forum20 views / month
r/martialarts
on reddit
A Sub-Reddit for all things martial arts related539K members
Forum23 views / month
RunnerClick Pro
on circle
RunnerClick Pro is our private community for runners motivated by purpose, committed to constant improvement, willing to put in the work, and eager to help others along the way. Members have access to a community of fellow runners, run coaches and sports dietician's, plus resource like training plans, expert videos & interviews, and perks from brand partners.400 members
ForumChatPerksEventsNewsletterTools9 views / month
StrongFirst
StrongFirst is the school of strength founded by Pavel Tsatsouline. We believe that strength has a greater purpose. We are experts at making the weak strong and the strong stronger. On top of strength, we coach “strong endurance” and resilience for the most demanding applications. Distilled from the best of Russian and Western sports science, our methods have a proven record with professional athletes, tier one special operators, as well as regular folks who have decided to earn self-respect and be weak no more. Our instructor team includes national team coaches, national champions, former military special operators, first responders, law enforcement officers, elite martial artists, national team doctors, and other high-end professionals. You can find our brothers and sisters in strength on six continents. Join us! Our school is elite but not elitist. The price of admission is a strong spirit, patience, and attention to detail. Power to you!ForumEventsNewsletter9 views / month
Wheel Warriors
on skool
Are you ready to drop the dreaded "chair belly" & get strong AF? Calorie Calculator & Belly Blasting Meal Plans - so you know EXACTLY how much and what to eat to blast the chair belly off... Strong As F*ck Workout Programs + Exercise Library - so you know EXACTLY how to train to get strong AF & be more independent... Weekly Coaching Calls - so you can get personalised advice & feedback... 2200+ Member Community - so you're NEVER alone on your journey...2K members
ForumPerksPaid9 views / month
FitnessFAQs
FitnessFAQs is a type of forum that has grown into a large community over the year. Daniel Vadnal, which is a renowned calisthenics expert. He founded FitnessFAQs in 2010 and the community still continues to grow today. The community function at FitnessFAQ does require access to a VIP subscription, but there are other features that you can enjoy without having to pay anything.ForumPaid8 views / month
r/homegym
on reddit
A subreddit devoted to working out at home.1.2M members
Forum31 views / month
r/HybridCalisthenics
on reddit
Cultivate long-term health and fitness!11K members
Forum17 views / month
Calisthenics
on facebook
This is a group for people that love Calisthenics and bodyweight exercises. You are welcome to join and share your experience!13K members
Forum16 views / month
r/GymMemes
on reddit
It never gets easier, you just get stronger.2.1M members
Forum23 views / month
r/fitpregnancy
on reddit
An inclusive space to discuss fitness and pregnancy - pre-natal, during, and post-partum. Geared towards motivating and inspiring pregnant people to stay healthy and fit throughout.79K members
Forum18 views / month
r/Sauna
on reddit
Welcome to r/Sauna! This is a subreddit for all things Sauna - Pictures of You and your Sauna - Sharing your building progress and questions - Whatever else you can think of Sauna related - Saunas are used around the world and we want to hear from you! You can also find us on our own Lemmy instance over at https://r-sauna.fi - posts made there will be automatically re-posted here, so please don't double post.137K members
Forum22 views / month
FAQ
Community size
- Tiny: 1 communities (<20 members)
- Small: 1 communities (20-100 members)
- Medium: 11 communities (100-1,000 members)
- Large: 5 communities (1,000-10,000 members)
- Huge: 18 communities (10,000-100,000 members)
- Massive: 21 communities (100,000-1M members)
- Gigantic: 8 communities (1M+ members)
Community features
- 100ForumThreaded discussions and forum-style posts
- 11Online/Offline EventsHosts online or offline events
- 8Live ChatReal-time chat for members
- 7Paid CommunityHas a paid membership or premium tier
- 4CoursesIncludes courses, workshops, or learning programs
Community platforms
- Reddit: 37 communities
- Facebook: 21 communities
- Skool: 12 communities
- Discord: 10 communities
- WhatsApp: 5 communities
- LinkedIn: 2 communities
- Meetup: 2 communities
- Circle: 1 communities
- Discourse: 1 communities
- Slack: 1 communities