2017 - 2018 USA Ultramarathon Calendar in October

Browse our Ultramarathon Calendar for races organized in USA during the month of October among 192 races.

192 races

Blues Cruise 50k Trail Ultra

October 01, 2017 Race day in 5 months
USA / Mid-Atlantic / Pennsylvania / Leesport
Ultramarathon - 50 kilometers
Trail

Coyote Scramble Ultras

Coyote Scramble Ultras 30 Miler
October 01, 2017 Race day in 5 months
USA / New England / Vermont / Kingdom Trails, East Burke
Ultramarathon - 30 miles
Trail

GrindStone 100

October 06, 2017 Race day in 5 months
USA / South Atlantic / Virginia / Swoope
Ultramarathon - 101.850 miles
Trail Eco-x Sports Western States Qualifier

Farmdale Trail Runs

100 Mile
October 07, 2017 Race day in 5 months
USA / East North Central / Illinois / East Peoria
Ultramarathon - 100 miles
Trail

Farmdale Trail Runs

30 Mile
October 07, 2017 Race day in 5 months
USA / East North Central / Illinois / East Peoria
Ultramarathon - 30 miles
Trail

Oregon Coast 50K & 30K

50K
October 07, 2017 Race day in 5 months
USA / Pacific / Oregon / Yachats
Ultramarathon - 50 kilometers
Trail Rainshadow Running

Can Lake 50

50K
October 07, 2017 Race day in 5 months
USA / Mid-Atlantic / New York / Canandaigua Lake
Ultramarathon - 50 kilometers

Willamette Headwaters Endurance Events

50+K
October 07, 2017 Race day in 5 months
USA / Pacific / Oregon / Oakridge
Ultramarathon - 54 kilometers
Trail

Farmdale Trail Runs

50 Mile
October 07, 2017 Race day in 5 months
USA / East North Central / Illinois / East Peoria
Ultramarathon - 50 miles
Trail

Can Lake 50

50 Mile
October 07, 2017 Race day in 5 months
USA / Mid-Atlantic / New York / Canandaigua Lake
Ultramarathon - 50 miles
Road Running

Rawhide

50 Mile
October 07, 2017 Race day in 5 months
USA / West South Central / Texas / Flat Rock Ranch, Comfort
Ultramarathon - 50 miles
Hilly Trail Spectrum Trail Racing Series

Gandy Dancer Trail Marathon

50 Miler
October 07, 2017 Race day in 5 months
USA / East North Central / Wisconsin / Luck
Ultramarathon - 50 miles
Trail

Cuyamaca 100K Endurance Run

October 07, 2017 To be confirmed Race day in 5 months
USA / Pacific / California / Cuyamaca Rancho State Park
Ultramarathon - 100 kilometers
UTMB Qualifier Trail Western States Qualifier

Defiance 50K/30K/15K

Defiance 50K
October 07, 2017 Race day in 5 months
USA / Pacific / Washington / Owens Beach
Ultramarathon - 50 kilometers
Trail

Lt. J. C. Stone Trail 50K UltraMarathon

October 07, 2017 Race day in 5 months
USA / Mid-Atlantic / Pennsylvania / North Park, Allegheny County
Ultramarathon - 50 kilometers
Trail