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
ForumCoursesTools181 views / month
r/homegym
on reddit
A subreddit devoted to working out at home.1.2M members
Forum53 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
Forum21 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.ForumChatEvents14 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
Forum21 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.321K members
Forum33 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.28K members
Forum23 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
ForumChatPerksEventsCourses20 views / month
r/GymMemes
on reddit
It never gets easier, you just get stronger.2.1M members
Forum20 views / month
r/HalfMarathon
on reddit
Anything related to Half Marathons from training to tips, questions, and boasting!14K members
Forum16 views / month
r/whoop
on reddit
Welcome to r/whoop – The Unofficial Community for WHOOP Users and Enthusiasts! For discussing everything related to the WHOOP wearable fitness tracker. Whether you're a seasoned WHOOP user or just considering joining the platform, this community is here to help you understand, optimize, and share your experience with WHOOP’s health and performance data.162K members
Forum14 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
Forum28 views / month
r/moreplatesmoredates
on reddit
The unofficial subreddit community for the Youtube channel More Plates More Dates.230K members
Forum17 views / month
r/effectivefitness
on reddit
The best Fitness Community, subreddit linked to discord.gg/fitness | Effective Fitness the best fitness discord server112K members
ForumChat8 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
ForumEvents12 views / month
Pickleball Fitness
on facebook
If you’re like most people you decided it’s time to make a change and get your body in better condition so you can play better tennis or pickleball. Our team of Physical Therapists, Athletic Trainers and Trainers have developed a program for injury prevention as well as prepare your conditioning for sport. Our goals of this comprehensive corrective exercise program is to increase playing time, decrease pain, improve efficiency of your swing, improve core stabilization, improve static & dynamic posture, improve static & dynamic balance and increase power.9K members
Forum15 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/running
on reddit
All runners welcome.4.3M members
Forum10 views / month
r/Marathon_Training
on reddit
This subreddit is for discussions about road and trail marathons. All levels of experience are welcome. Our rules are simple: be kind and no spam, content should be centered around training for marathons. To reduce spam and trolls, all contributors must have a minimum karma of 10 to participate.175K members
Forum33 views / month
Running Maniacs (Facebook Group)
on facebook
Large Facebook group for running enthusiasts to share their runs, motivate each other, and discuss all things running from beginner to advanced.Forum10 views / month
UK Running Community (Facebook Group)
on facebook
UK-based Facebook group for British runners sharing local race recommendations, parkrun meetups, training tips, and running news from a UK perspective.Forum22 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
Forum16 views / month
r/hypertrophy
on reddit
Everything about building muscle12K members
Forum25 views / month
BodyBUILDING B4 BodyBreaking
on skool
Focuses on physique development through joint mobility and tissue-specific training to build a body that lasts.469 members
Forum13 views / month
r/coldplunge
on reddit
community for people willing to take the cold plunge to improve their lives and physical and mental well being34K members
Forum22 views / month
Optimized Living
on skool
A community for high performers seeking to control their health, mindset, and performance through biohacking.3K members
Forum11 views / month
r/wrestling
on reddit
A subreddit for Folkstyle, Freestyle and Greco-Roman Wrestling. All ages and levels are welcome.217K members
Forum24 views / month
Do Yoga With Me
on discourse
DoYogaWithMe is a free community for yoga enthusiasts and professionals from all over the world. It offers classes, a course, and an online forum. You can create your profile for free on the platform to start interacting with yogis from all over the world. By buying the DoYogaWithMe course, you will be able to deepen your knowledge about this ancient practice and become a teacher.138K members
ForumPerksEventsNewsletterJobsCourses14 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
ForumChatPerksEventsNewsletterTools12 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!ForumEventsNewsletter17 views / month
The Batte Buddies Community
on facebook
A community of like-minded people working together on there health, fitness and mindset200 members
ForumChatEvents8 views / month
GymnasticBodies
This is a community which uses a forum platform. It also offers podcasts, blogs, exercise tutorials, etc.ForumNewsletterPaid9 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
ForumPerksPaid13 views / month
Fat Burning Ninjas
on skool
A supportive community that will help you burn fat, tone up, and get healthy. Increasing your physical, mental, emotional, social & spiritual health.636 members
ForumPaidCoursesPadel Club 77
on skool
Padel Club 77 is a global community for padel players. Find local players, get free tips and tactics, share wins, and stay motivated.ForumChatEvents8 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