r/Ultramarathon
171k members
r/Ultramarathon is a subreddit with 171k members. The community frequently discusses ultra, training, first, ultramarathon, and race, and they frequently recommend/review electrolyte supplement, trail shoes, and running shorts, and the most common flair used is training, race report, race, nutrition, and gear.
Reddit hub for trailrunning, ultrarunning and ultramarathons.
Popular Topics in r/Ultramarathon
#1
Ultra
119 posts
#2
Training
84 posts
#3
First
55 posts
#4
Ultramarathon
50 posts
#5
Race
47 posts
#6
Run
35 posts
#7
Mile
30 posts
#8
50k
25 posts
#9
Gear
22 posts
#10
Shoes
17 posts
Products Discussed in r/Ultramarathon
Electrolyte Supplement
31 reviews
#1
Skratch Labs
4.3★ from 6 reviews
#2
LMNT
4.6★ from 5 reviews
#3
Tailwind
4.5★ from 4 reviews
Trail Shoes
20 reviews
#1
Altra
4.3★ from 11 reviews
#2
Hoka
4.5★ from 2 reviews
#3
Topo
4.0★ from 2 reviews
Running Shorts
17 reviews
#1
Under Armour
4.5★ from 2 reviews
#2
Lululemon
3.5★ from 2 reviews
#3
Patagonia
4.0★ from 2 reviews
Flair Used in r/Ultramarathon
#1
Training
: "What are you doing for recovery during 50K training?"
19 posts
#2
Race Report
: "Ran my first ultra Saturday!"
5 posts
#3
Race
: "Kackar by UTMB 2026"
4 posts
#4
Nutrition
: "Healthy nutrition while being an ultra runner"
2 posts
#5
Gear
: "Torn between two Jackets"
2 posts
#6
Pro Sport
: "Unbelievable how ultra trail athletes level progressed in recent years"
1 post
Member Growth in r/Ultramarathon
Yearly
+19k members(12.5%)
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About
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This page gives a focused view of r/Ultramarathon, including current member size, discussion patterns, product reviews, and related communities to explore.
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Last updated: September 17, 2026