About r/MMA
In its own words:
A subreddit for all things Mixed Martial Arts.
Community guide
r/MMA (#271, about 3.7 million) covers mixed martial arts. Rules require civility; ban promo/spam/crowdfunding, low relevance, spoilers, duplicates, low-quality/joke-only posts, political discussions, illegal content, and posts that belong in another thread/sticky. Text/Image (~49.9 ppd).
MMA news and talk
Fights, fighters, and MMA media fit; politics and joke-only posts do not.
Spoilers and duplicates
Respect spoiler rules; don’t duplicate active threads—use stickies when pointed there.
Practical pointers
Mixed text/image/link/video; Fight Thread/Announcement flairs in samples.
SubMouse Editorial
The community was created on Mar 17, 2008, which makes it 18 years old. Since Oct 26, 2026, it has gained 1,127 subscribers (+0.03%). It sits just behind r/spacex (#270) and ahead of r/indieheads (#273) in our ranking.
What sets r/MMA apart
Posts here spark a lot of conversation: the archive averages 52.2 comments per post, roughly 3.7× the typical big subreddit (14.0). Its rhythm is strongly tied to time zones: the busiest hour (22:00 UTC) sees about 8.0× as many posts as the quietest (07:00 UTC).
Subscriber growth
Between Sep 19, 2026 and Nov 2, 2026, r/MMA grew from 3,664,416 to 3,672,168 subscribers (+7.8K, +0.21%). That is about 176 new members per day. The chart uses our weekly snapshots (9 so far), so it gets longer every week.
What r/MMA talks about
We read the titles of 303 recent posts (Oct 29–Nov 5), the words that come up most are “ufc”, “fight”, “official”, “spoiler” and “moicano”. Other frequent themes are islam, discussion, fighter, event, main and nolan. Recurring phrases include “main event”, “islam makhachev”, “official general” and “general discussion”. By format, 35% are text posts, 29% are images and 21% are links.
Popular post flairs: Media (110), Spoiler (21), Fight Announcement (10), Notice - GD (7), Fight Thread (6), News (4).
Activity and best time to post
r/MMA gets about 50 new posts a day. The public archive holds 731,979 posts and 38,206,540 comments in total, about 52.2 comments per post. Last week the busiest day was Sunday (80 posts) and the quietest was Thursday (33). Posting peaks around 22:00 UTC and is lowest around 07:00 UTC.
Rules of r/MMA
The moderators of r/MMA list 9 rules. In short:
- Be Civil
- Promotional Submissions (spam, crowdfunding)
- Low Relevance
- No Spoilers
- No Duplicates/Repetitive Posts
- No low quality or joke-only posts
- Political discussions
- That's Illegal!
- Other Suitable Thread or Current Sticky
How to join
Open reddit.com/r/MMA and press “Join”. Read the community rules in the sidebar before you post: every subreddit is run by its own volunteer moderators.
Frequently asked questions
How many subscribers does r/MMA have?
r/MMA has 3,672,168 subscribers (Nov 2, 2026), which makes it the #271 safe-for-work subreddit in the SubMouse ranking. It added 7,752 members between Sep 19, 2026 and Nov 2, 2026.
How old is r/MMA?
r/MMA was created on Mar 17, 2008, so it has been around for 18 years.
How active is r/MMA?
Very active: r/MMA gets about 50 new posts a day (average of the last four weeks). Over its lifetime the archive counts 731,979 posts and 38,206,540 comments. In a sample of 303 recent posts we counted 184 different authors.
When is r/MMA most active?
Based on post counts from Oct 29, 2026 to Nov 4, 2026, the busiest day was Sunday and the quietest Thursday, and most posts arrive around 22:00 UTC, with the fewest around 07:00 UTC. More posts also means more competition, so a quieter hour can help a post get noticed.
What is r/MMA about?
The community describes itself as: “A subreddit for all things Mixed Martial Arts.” Recent post titles often mention ufc, fight, official, spoiler and moicano. Most posts are text posts (35%).
Is r/MMA safe for work?
Yes. Reddit does not mark r/MMA as an 18+ (NSFW) community. SubMouse lists safe-for-work subreddits only.
How do I post on r/MMA?
Join the community on Reddit first, then use “Create post”. r/MMA accepts both text and link posts, with images enabled. It has 9 posted rules, starting with: “Be Civil”; “Promotional Submissions (spam, crowdfunding)”; “Low Relevance”. Moderators remove posts that break the rules, so read them in the sidebar before posting.
Which communities are like r/MMA?
Communities with similar topics include r/Games (3.6M), r/ethereum (3.7M), r/Boxing (3.2M), r/movies (37.7M) and r/Showerthoughts (34.2M).
Stats from public data (data updated Nov 2, 2026; activity, rules and archive totals via the Arctic Shift archive, Nov 6, 2026). Point and comment counts are archive snapshots and can be lower than on Reddit today. SubMouse is an independent directory and is not affiliated with Reddit or the moderators of r/MMA.