Find a race
Search marathons
1,669 marathons found for Ultra marathon, United States. Keep the list broad first, then tighten the filters when a race looks realistic.
Matching races
United States
07NOV
ULTRA
26th Stone Cat 100 Km - 100km
United States
NOV
United States
07NOV
ULTRA
26th Stone Cat 50 Mile - 50mi
United States
NOV
United States
07NOV
ULTRA
2nd Liberty's Lost Treasure - 50km
United States
NOV
United States
07NOV
ULTRA
2nd Ponderosa Polar Challenge - 50km
United States
NOV
United States
07NOV
ULTRA
2nd Ponderosa Polar Challenge - 50mi
United States
NOV
United States
07NOV
ULTRA
2nd The Crunchwrap Crawl, 50K's of regret! - 50km
United States
NOV
United States
07NOV
ULTRA
2nd The Last Cowboy Backyard - 39h
United States
NOV
United States
07NOV
ULTRA
2nd Thunder River - 50km
United States
NOV
United States
07NOV
ULTRA
3rd Squatch Till You Drop - 6h
United States
NOV
United States
07NOV
ULTRA
3rd The Long Run - Fall Back - 6h
United States
NOV
United States
07NOV
ULTRA
44th Mountain Masochist 50 Mile Trail Run - 50mi
United States
NOV
United States
07NOV
ULTRA
4th Big Tex Backyard - 28h
United States
NOV
United States
07NOV
ULTRA
4th Big Texas Ultra - 50km
United States
NOV
United States
07NOV
ULTRA
4th Gone Fir A Run 50K - 50km
United States
NOV
United States
07NOV
ULTRA
4th Shelli Huether Veterans Day Honor Run - 8h
United States
NOV
United States
07NOV
ULTRA
4th Tampa Bay 100 Mile - 100mi
United States
NOV
Wildwood Crest, New Jersey, United States
07NOV
ULTRA
5-Mile Beach at Wildwood Crest: Half Marathon, 10K and 5K
Wildwood Crest, New Jersey, United States
NOV
United States
07NOV
ULTRA
5th Mental Health Ultra Marathon - 50km
United States
NOV
United States
07NOV
ULTRA
5th Resilient Service Members Classic - 50km
United States
NOV
United States
07NOV
ULTRA
5th Route 66 UltraRun Crewed - 140mi
United States
NOV
United States
07NOV
ULTRA
5th Run the River Ultra 6h - 6h
United States
NOV
United States
07NOV
ULTRA
6th Kessel Run 40 Mile Ultra Race - 40mi
United States
NOV
United States
07NOV
ULTRA
6th Kessel Run 50 km Ultra Race - 50km
United States
NOV
United States
07NOV
ULTRA
6th Kessel Run 50 Mile Ultra Race - 50mi
United States
NOV
Missing a marathon in United States?
Organizers can start from this filtered search with the country already filled, then add the official source, date, registration link, and contact details for a free listing review. 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.