2017 - 2018 USA Ultramarathon Calendar in October

Browse our Ultramarathon Calendar for races organized in USA during the month of October among 190 races.

190 races

Blues Cruise 50k Trail Ultra

October 01, 2017 Race day in 6 months
USA / Mid-Atlantic / Pennsylvania / Leesport
Ultramarathon - 50 kilometers
Trail

Coyote Scramble Ultras

Coyote Scramble Ultras 30 Miler
October 01, 2017 Race day in 6 months
USA / New England / Vermont / Kingdom Trails, East Burke
Ultramarathon - 30 miles
Trail

Farmdale Trail Runs

100 Mile
October 07, 2017 Race day in 7 months
USA / East North Central / Illinois / East Peoria
Ultramarathon - 100 miles
Trail

Farmdale Trail Runs

30 Mile
October 07, 2017 Race day in 7 months
USA / East North Central / Illinois / East Peoria
Ultramarathon - 30 miles
Trail

Oregon Coast 50K & 30K

50K
October 07, 2017 Race day in 7 months
USA / Pacific / Oregon / Yachats
Ultramarathon - 50 kilometers
Trail Rainshadow Running

Willamette Headwaters Endurance Events

50+K
October 07, 2017 Race day in 7 months
USA / Pacific / Oregon / Oakridge
Ultramarathon - 54 kilometers
Trail

Farmdale Trail Runs

50 Mile
October 07, 2017 Race day in 7 months
USA / East North Central / Illinois / East Peoria
Ultramarathon - 50 miles
Trail

Gandy Dancer Trail Marathon

50 Miler
October 07, 2017 Race day in 7 months
USA / East North Central / Wisconsin / Luck
Ultramarathon - 50 miles
Trail

Cuyamaca 100K Endurance Run

October 07, 2017 To be confirmed Race day in 7 months
USA / Pacific / California / Cuyamaca Rancho State Park
Ultramarathon - 100 kilometers
UTMB Qualifier Trail Western States Qualifier

Lt. J. C. Stone Trail 50K UltraMarathon

October 07, 2017 Race day in 7 months
USA / Mid-Atlantic / Pennsylvania / North Park, Allegheny County
Ultramarathon - 50 kilometers
Trail

Rock/Creek StumpJump 50K Ultra

Rock/Creek StumpJump 50K Ultra
October 07, 2017 Race day in 7 months
USA / East South Central / Tennessee / Chattanooga
Ultramarathon - 50 kilometers
Trail

Swamp Rabbit Urban Ultra 50K

Swamp Rabbit Urban Ultra 50K
October 07, 2017 Race day in 7 months
USA / South Atlantic / South Carolina / Greenville
Ultramarathon - 50 kilometers

Green Monster 25K & 50K Trail Challenge

50K
October 08, 2017 Race day in 7 months
USA / Mid-Atlantic / Pennsylvania / Wellsboro
Ultramarathon - 50 kilometers
Hilly Trail

Glacial Trail Run

Glacial 50K Trail Run
October 08, 2017 Race day in 7 months
USA / East North Central / Wisconsin / Greenbush
Ultramarathon - 50 kilometers
Trail Badgerland Striders

Glacial Trail Run

Glacial 50M Trail Run
October 08, 2017 Race day in 7 months
USA / East North Central / Wisconsin / Greenbush
Ultramarathon - 50 miles
Trail Badgerland Striders