Subreddits similar to r/running

7m subs

Discussion of physical fitness/exercise goals and how they can be achieved
https://reddit.com/r/Fitness/

30k subs

358k subs

For women and gender non-binary redditors who are fit, want to be fit, like reading about fitness to put off getting fit. Feel free to discuss your own personal experience related to fitness, exercise, dieting, gaining weight, body image, and health.
https://reddit.com/r/xxfitness/

r/C25K

94k subs

Anything related to the [Couch to 5k](http://www.coolrunning.com/engine/2/2_3/181.shtml) running programs or the like; open to all, noobie to pro.
https://reddit.com/r/C25K/

r/bicycling

507k subs

Two wheels, powered by a person. Interested in riding a bicycle? We welcome bicyclists of all skill levels including those who don't yet own a bike. Ask us your questions or meetup with other redditors in your area for local rides. Happy cycling!
https://reddit.com/r/bicycling/

r/loseit

2m subs

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!
https://reddit.com/r/loseit/

r/trailrunning

40k subs

The fun begins where the road ends.
https://reddit.com/r/trailrunning/

r/fffffffuuuuuuuuuuuu

857k subs

it's still alive! kinda...
https://reddit.com/r/fffffffuuuuuuuuuuuu/

r/bodyweightfitness

1m subs

Bodyweightfitness is for redditors who like to use their own body to train, from the simple pullups, pushups, and squats to the advanced bodyweight movements like the planche, one arm chin-ups, or single leg squats. Start your fitness journey with our Recommended Routine and wiki.
https://reddit.com/r/bodyweightfitness/

r/triathlon

38k subs

A subreddit dedicated to the sport of triathlon, and all of its constituent components, quirks, and joys.
https://reddit.com/r/triathlon/

r/malefashionadvice

2m subs

Making clothing less intimidating and helping you develop your own style. We welcome those who want to learn and those who want to contribute.
https://reddit.com/r/malefashionadvice/

r/Frugal

1m subs

Frugality is the mental approach we each take when considering our resource allocations. It includes time, money, convenience, and many other factors.
https://reddit.com/r/Frugal/

r/millionairemakers

124k subs

If a million people gave a dollar to someone, they could be a millionaire. We are an embodiment of this showerthought: https://redd.it/2mq94c Additionally, you can join our mailing list for monthly reminders at send.redditmm.com
https://reddit.com/r/millionairemakers/

r/beer

378k subs

A subreddit to discuss your favorite beers and breweries, and share beer related articles. Quality content encouraged.
https://reddit.com/r/beer/

r/CampingandHiking

813k subs

For Backpackers who Hike with Camping Gear in their Backpack. Tips, trip reports, back-country gear reviews, safety and news.
https://reddit.com/r/CampingandHiking/

r/femalefashionadvice

936k subs

https://reddit.com/r/femalefashionadvice/

r/nutrition

534k subs

A subreddit for the discussion of nutrition science. Macronutrients, micronutrients, vitamins, diets, and nutrition news are among the many topics discussed. Civil discourse is required.
https://reddit.com/r/nutrition/

r/CFB

631k subs

A forum for all things college football. Primarily focused on NCAA football, discussion is welcome on any collegiate league, teams, and players.
https://reddit.com/r/CFB/

r/AdviceAnimals

8m subs

Reddit's Gold Mine
https://reddit.com/r/AdviceAnimals/

r/secretsanta

129k subs

/r/secretsanta and Reddit Gifts were started in 2009 to provide a secret santa for the Reddit community. We have since expanded to many gift exchanges.
https://reddit.com/r/secretsanta/

r/cycling

95k subs

bikeit! bike bikes bicycle bicycles bicycling cycling
https://reddit.com/r/cycling/

r/reddit.com

818k subs

The original subreddit, now archived.
https://reddit.com/r/reddit.com/

r/progresspics

833k subs

post those awesome before/after pictures of yours!
https://reddit.com/r/progresspics/

r/yoga

228k subs

https://reddit.com/r/yoga/

r/BarefootRunning

19k subs

A community of barefoot and minimalist runners.
https://reddit.com/r/BarefootRunning/

r/travel

3m subs

r/travel is a community about exploring the world. Your pictures, questions, stories, or any good content is welcome. Clickbait, spam, memes, ads, brochures, classifieds, surveys or self-promotion will be removed.
https://reddit.com/r/travel/

r/Coffee

273k subs

/r/ Coffee is a place to discuss any and all things coffee.
https://reddit.com/r/Coffee/

r/IAmA

19m subs

https://reddit.com/r/IAmA/

r/crossfit

114k subs

This SubReddit is for discussion of CrossFit, functional fitness, weightlifting and the lifestyle, nutrition and training methodologies involved.
https://reddit.com/r/crossfit/

r/keto

2m subs

The Ketogenic Diet is a low carb, high fat method of eating. And /r/keto is place to share thoughts, ideas, benefits, and experiences around eating within a Ketogenic Diet. Helping people with diabetes, epilepsy, autoimmune disorders, acid reflux, inflammation, hormonal imbalances, and a number of other issues, every day.
https://reddit.com/r/keto/