Ultra Running Hub
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3480 Races
6 Distances
6 Terrains
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news UTMB 2026 registration is now open
stat 3480 races tracked across 40 countries
news UTMB 2026 registration is now open
stat 3480 races tracked across 40 countries
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Input your recent training volume to calculate your athlete grit score and find races that match your current fitness level.
Featured Races
View all races → Trail50miFast & Flat
GRIT 3.8
MTC Gelert
Barmouth, GBR
76 km Apr 16
Trail50miFast & Flat
GRIT 3.7
MTC Pendragon
Llanidloes, GBR
74 km Apr 17
Timed50kFast & Flat
GRIT 2.5
RUN4Kids 12 Hour Race
Corona, CA, USA
50 km Apr 17
Timed50kFast & Flat
GRIT 2.5
RUN4Kids 6 Hour Race
Corona, CA, USA
50 km Apr 17
Trail200mi+Rolling
GRIT 10
Tyresö Extreme Challenge (TEC) - 200 miles
Tyresö, SWE
322 km 7,042 m D+ Apr 17
Timed50kFast & Flat
GRIT 2.8
Tyresö Extreme Challenge (TEC) - Backyard
Tyresö, SWE
50 km 170 m D+ Apr 17
Training Plans
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All articles →Upcoming Ultras: 16 Races to Watch in the Next 30 Days
16 standout ultramarathons in the next 30 days — headlined by Maldon M100 on Jun 20.
Upcoming Ultras: 16 Races to Watch in the Next 30 Days
16 standout ultramarathons in the next 30 days — headlined by Ultra do Vulcão 350km on Jun 4.
Preparing for Sergipe's Tropical Terrain
Ultra runners preparing for the Ultramaratona Sergipe 100km must acclimatize to the tropical terrain and develop strategies to manage heat and humidity.