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1,670 marathons found for Ultra marathon, United States. Keep the list broad first, then tighten the filters when a race looks realistic.





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Florida, United States
11OCT
ULTRA
Florida Halloween Classic
Florida, United States
October 11, 2026 OCT
Wellsboro, Pennsylvania, United States
11OCT
ULTRA
Green Monster Trail Challenge
Wellsboro, Pennsylvania, United States
October 11, 2026 OCT
Iowa, United States
11OCT
ULTRA
Le Cedar Rapids Hot Cider Hustle
Iowa, United States
October 11, 2026 OCT
Nantucket, Massachusetts, United States
11OCT
ULTRA
Nantucket Half Marathon
Nantucket, Massachusetts, United States
October 11, 2026 OCT
Pensacola, Florida, United States
11OCT
ULTRA
Pensacola Half Marathon & 5K
Pensacola, Florida, United States
October 11, 2026 OCT
Florida, United States
11OCT
ULTRA
Plantation Goes Pink
Florida, United States
October 11, 2026 OCT
Minnesota, United States
11OCT
ULTRA
Red Rock Park
Minnesota, United States
October 11, 2026 OCT
Flintstone, Maryland, United States
11OCT
ULTRA
Rocky Gap 25K, 50K, Relay Trail Run
Flintstone, Maryland, United States
October 11, 2026 OCT
Colorado, United States
11OCT
ULTRA
Run the Rocks Park and Amphitheatre
Colorado, United States
October 11, 2026 OCT
Arkansas, United States
11OCT
ULTRA
Semi-Marathon du Hero
Arkansas, United States
October 11, 2026 OCT
Missouri, United States
11OCT
ULTRA
Spooky Sprint - St. Joseph
Missouri, United States
October 11, 2026 OCT
New York, United States
11OCT
ULTRA
The Brooklynite Fall
New York, United States
October 11, 2026 OCT
Norway, Maine, United States
11OCT
ULTRA
The Land of Light 100k
Norway, Maine, United States
October 11, 2026 OCT
Spokane, Washington, United States
11OCT
ULTRA
The Spokane Marathon
Spokane, Washington, United States
October 11, 2026 OCT
Massachusetts, United States
12OCT
ULTRA
Cloudsplitter 100
Massachusetts, United States
October 12, 2026 OCT
Oregon, United States
12OCT
ULTRA
Elk-King's Trail Races
Oregon, United States
October 12, 2026 OCT
United States
16OCT
ULTRA
21st Pony Express Trail 50 Mile - 50mi
United States
October 16, 2026 OCT
United States
16OCT
ULTRA
4th Shake Your Trail Feather Trail Run - 100km
United States
October 16, 2026 OCT
United States
16OCT
ULTRA
5th BadgerPalooza - 12h
United States
October 16, 2026 OCT
United States
16OCT
ULTRA
5th BadgerPalooza - 24h
United States
October 16, 2026 OCT
United States
16OCT
ULTRA
5th BadgerPalooza - 6h
United States
October 16, 2026 OCT
Greensboro, North Carolina, United States
16OCT
ULTRA
Cannonball Running Festival - Marathon, Half Marathon, 10K & 5K
Greensboro, North Carolina, United States
October 16, 2026 OCT
Chattanooga, Tennessee, United States
16OCT
ULTRA
Chattanooga Mountains Stage Race
Chattanooga, Tennessee, United States
October 16, 2026 OCT
Nevada, United States
16OCT
ULTRA
Lake Tahoe Marathon
Nevada, United States
October 16, 2026 to October 18, 2026 OCT

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