US Ultramarathons

Browse our Ultramarathon Calendar for races organized in the USA.

1,430 races

Flagstaff to Grand Canyon Stagecoach Line 100 mile Ultra & Relay

September 23, 2017 Race day in 3 days
USA / Mountain Region / Arizona / Flagstaff
Ultramarathon
UTMB Qualifier Trail Mountain Relay

Mountain Lakes 100

September 23, 2017 Race day in 3 days
USA / Pacific / Oregon / Olallie Lake
Ultramarathon
Trail Mountain UTMB Qualifier Go Beyond Ultra

Mountain RATS

September 23, 2017 Race day in 3 days
USA / Mountain Region / Colorado / Eagle
Ultramarathon
Trail Mountain

Noble Canyon 50k

September 23, 2017 Race day in 3 days
USA / Pacific / California / Mount Laguna
Ultramarathon
Trail

Swiftwater 50K

September 23, 2017 Race day in 3 days
USA / Pacific / Oregon / Umpqua
Ultramarathon
Trail

Table Rock Ultras

No race in 2016
USA / South Atlantic / North Carolina / Morganton
Ultramarathon
Hilly Trail North Carolina Ultra Series Mountain

Table Rock Ultras

September 23, 2017 Race day in 3 days
USA / South Atlantic / North Carolina / Morganton
Ultramarathon
Hilly Trail North Carolina Ultra Series Mountain

Texadega Nights Speedway Run

September 23, 2017 Race day in 3 days
USA / West South Central / Texas / Fort Worth
Ultramarathon
Night

The Mountain Madness 50K

September 23, 2017 Race day in 3 days
USA / Mid-Atlantic / New Jersey / Ringwood
Ultramarathon
NJ Trail Series

The North Face Endurance Challenge Park City Utah

September 23, 2017 Race day in 3 days
USA / Mountain Region / Utah / Park City Mountain Resort, Park City
Ultramarathon
Trail The North Face Endurance Challenge

The North Face Endurance Challenge Park City Utah

September 23, 2017 Race day in 3 days
USA / Mountain Region / Utah / Park City Mountain Resort, Park City
Ultramarathon
Trail The North Face Endurance Challenge

Tick Tock Ultra and 12-hour Team Relay

September 23, 2017 Race day in 3 days
USA / South Atlantic / Florida / Lakeland
Ultramarathon
Road Running