Reddit fitness discovery

Best Fitness Subreddits on Reddit (2026)

Last updated June 2026

Reddit's fitness communities are some of the most genuinely helpful corners of the site, with detailed wikis, form checks, and evidence-based advice. These are the best fitness subreddits for training, weight loss, and nutrition.

Browse communitiesShuffle a random fitness community

The list

  1. r/Fitness11.4M members

    This subreddit is for discussion of health and fitness goals and how they can be achieved.

  2. r/loseit500K+ members

    A place for people of all sizes to discuss healthy and sustainable methods of weight loss. Whether you need to lose 2 lb

  3. r/bodyweightfitness500K+ members

    This sub is for all redditors who like to use their own body to train, from the simple pullups, pushups and dips to the

  4. r/running100K+ members

    Runners welcome.

  5. r/bodybuilding100K+ members

    News, articles, personal pictures, videos & advice on everything related to bodybuilding - nutrition, supplementatio

  6. r/xxfitness100K+ members

    For female redditors who are fit, want to be fit, like reading about fitness to put off getting fit, or wish they could

  7. r/nutrition100K+ members

    A place to discuss eating well.

  8. r/yoga100K+ members

    yoga

  9. r/gainit100K+ members

    Information and discussion for people looking to put on weight.

  10. r/weightroom100K+ members

    A subreddit for general weight training discussion at all levels ranging from beginners to those who compete in both wei

  11. r/flexibility50K+ members

    Get flexible! Share stretching tips, post your goals and progress, and anything else relevant to flexibility/mobility. W

  12. r/intermittentfasting50K+ members

    Intermittent-fasting protocols and support.

  13. r/crossfit50K+ members

    crossfit

  14. r/powerlifting50K+ members

    A subreddit for the sport of powerlifting

  15. r/homegym10K+ members

    A subreddit devoted to working out at home. * Weightlifters, strongmen (and women), crossfitters, yogi and anybody jus

  16. r/naturalbodybuilding10K+ members

    Drug-free bodybuilding training and prep.

  17. r/fitness30plus10K+ members

    A subreddit of /r/fitness for issues more relevant to individuals both male and female over the age of 30.

  18. r/Stronglifts5x510K+ members

    This subreddit if for anyone who is starting Stonglifts5x5, has previously done Stronglifts5x5, anywhere in between, or

  19. r/GYMNiche community

    General gym training and motivation.

  20. r/bodyweighttrainingNiche community

    Calisthenics skill and strength training.

Frequently asked questions

What are the best fitness subreddits?
The most active fitness subreddits right now include r/Fitness, r/loseit, r/bodyweightfitness, which top this list by member count. The best one for you depends on what you want: large general communities are great for news and staying current, while smaller niche subreddits go deeper on a single game, team, genre, or sub-topic. RedditShuffle ranks every community in its 1.45M-subreddit index by size, so this page surfaces the highest-activity fitness communities first. If you are exploring, start with one or two large hubs to get a feel for the culture, then branch into the focused communities lower on the list once you know what you are most interested in.
How were these fitness subreddits chosen?
This list is curated, not auto-generated. We started from RedditShuffle's index of more than 1.45 million subreddits, filtered to fitness communities, and ordered them by subscriber count - using fresh stats for the largest communities. We then hand-checked each entry so the list reads like an editor picked it rather than a scraper, removing inactive, off-topic, or duplicate communities. The goal is a list you can trust to point you toward communities that are active and worth your time.
How do I find more niche subreddits like these?
Use the Shuffle tool on the RedditShuffle homepage. Unlike Reddit's built-in random button, which can drop you on dead or empty communities, RedditShuffle lets you filter by topic and by a Popular-only toggle that limits results to communities above a member threshold. You can also browse by category to see hundreds more communities in the same space, or open any community's detail page to see similar subreddits.
Best subredditsSubreddit finderReddit rouletteShuffle tool