Skip to content
7,117 races in the next 12 months7,117 races 160 countries Free for runners and organizers No commission · no added feeNo commission
SundayMarathon
Find a race

Search marathons

3,232 marathons found for Ultra marathon. Keep the list broad first, then tighten the filters when a race looks realistic.





Clear filters

Advanced filters





Planning filters

Matching races

United States
17OCT
ULTRA
3rd The Ceely Rose Twelve Hour Survival Run - 12h
United States
October 17, 2026 OCT
Germany
17OCT
ULTRA
4. Otzberger Heidelberg-Ultra - 48km
Germany
October 17, 2026 OCT
Denmark
17OCT
ULTRA
4. Skanderborg Ultraløb 24 hours - 24h
Denmark
October 17, 2026 OCT
United States
17OCT
ULTRA
41st Man Against Horse 50 Mile Race - 50mi
United States
October 17, 2026 OCT
United States
17OCT
ULTRA
42nd Palo Duro 50 Km Trail Run - 50km
United States
October 17, 2026 OCT
United States
17OCT
ULTRA
47th Presque Isle 12 Hour Endurance Classic - 12h
United States
October 17, 2026 OCT
Bermuda
17OCT
ULTRA
4th Backyard Ultra World Team Championships - Bermuda - 28h
Bermuda
October 17, 2026 OCT
Canada
17OCT
ULTRA
4th Backyard Ultra World Team Championships - Canada - 68h
Canada
October 17, 2026 to October 20, 2026 OCT
North Macedonia
17OCT
ULTRA
4th Backyard Ultra World Team Championships - North Macedonia - 25h
North Macedonia
October 17, 2026 OCT
United Kingdom
17OCT
ULTRA
4th Backyard Ultra World Team Championships - United Kingdom - 51h
United Kingdom
October 17, 2026 to October 19, 2026 OCT
United States
17OCT
ULTRA
4th Cahuilla Rez Ultra 100 Miles Run - 100mi
United States
October 17, 2026 OCT
United States
17OCT
ULTRA
4th Cahuilla Rez Ultra 12h Run - 12h
United States
October 17, 2026 OCT
United States
17OCT
ULTRA
4th Cahuilla Rez Ultra 24h Run - 24h
United States
October 17, 2026 OCT
United States
17OCT
ULTRA
4th Cahuilla Rez Ultra 6h Run - 6h
United States
October 17, 2026 OCT
United States
17OCT
ULTRA
4th Flatrock Georgia - 50km
United States
October 17, 2026 OCT
United States
17OCT
ULTRA
4th Hootenanny Endurance Run 8h - 8h
United States
October 17, 2026 OCT
United States
17OCT
ULTRA
4th Shake Your Trail Feather Trail Run - 50km
United States
October 17, 2026 OCT
United States
17OCT
ULTRA
5th Love Never Ends Trail Run - 50km
United States
October 17, 2026 OCT
Sweden
17OCT
ULTRA
6 Rönninge Backyard Run - 12h
Sweden
October 17, 2026 OCT
Austria
17OCT
ULTRA
6. Austria Backyard Ultra - Seekirchen - 40h
Austria
October 17, 2026 OCT
United States
17OCT
ULTRA
6th Clear Creek Ultra - 10h
United States
October 17, 2026 OCT
Sweden
17OCT
ULTRA
7 U3 Backyard - 12h
Sweden
October 17, 2026 OCT
United States
17OCT
ULTRA
7th Cactus to Cloud Trail Run - 50km
United States
October 17, 2026 OCT
United States
17OCT
ULTRA
7th Minnie Ha Ha 6 Hour Run - 6h
United States
October 17, 2026 OCT

Organizers can submit official sources for a free listing review and track the listing from the Organizer dashboard. We verify the official source before publishing — no fee.

  • Free listing review
  • Official source verification
  • Runner-ready listing
  • Organizer dashboard

If your race appears in the results, use Update listing from the row. Missing race? Submit it for free with this page context prefilled.

List your race — free How review works