United States
- Alabama 2
- Alaska 1
- Arizona 2
- Arkansas 2
- California 22
- Colorado 3
- Connecticut 1
- Delaware
- District of Columbia
- Florida 15
- Georgia 9
- Hawaii 3
- Idaho 2
- Illinois 7
- Indiana 6
- Iowa 3
- Kansas 2
- Kentucky 4
- Louisiana
- Maine 3
- Maryland
- Massachusetts 4
- Michigan 5
- Minnesota 2
- Mississippi 1
- Missouri 3
- Montana 1
- Nebraska 1
- Nevada 1
- New Hampshire 2
- New Jersey 3
- New Mexico
- New York 7
- North Carolina 11
- North Dakota
- Ohio 7
- Oklahoma 5
- Oregon 5
- Pennsylvania 6
- Puerto Rico
- Rhode Island 2
- South Carolina 3
- South Dakota
- Tennessee 4
- Texas 11
- Utah 4
- Vermont 4
- Virginia 3
- Washington 2
- West Virginia 2
- Wisconsin 2
- Wyoming
Obstacle Race Calendar United States 2026-2027
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
Explore the best obstacle runs in the United States for 2026-2027! Our updated list features 187 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
August 2027
A Scottish Highlander themed obstacle race in Pingree Grove on August 7, 2027 offering 50K, 15K, 5K, family 3K, a torch lit night run and a haunted 5K.
A 5k mud run at Wooden Shoe Tulip Farm with 12 to 20 obstacles, a Garden Party, and proceeds supporting Woodburn Rotary.
A Trifecta weekend at Dillingham Ranch on Oahu featuring Sprint, Super, Beast, Ultra and kids obstacle races across coastal and ridge terrain.
Two-day obstacle race weekend at Summit at Bechtel Reserve in Glen Jean WV featuring Sprint, Super, Beast and kids races across steep terrain and water features.
Weekend obstacle race at Mahon Ranch, Elk Grove, featuring Sprint 5 km, Super 10 km, kids races, Hurricane Heat formats, and spectator access.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
Tough Mudder Chicago on August 29, 2026 at Richardson Adventure Farm offers 5K, 15K and an 8 hour Infinity course with multiple obstacles and a Mudder Village.
October 2027
Two day Spartan Trifecta Weekend at Southington Off Road in Windham OH with Sprint, Super, Beast, Ultra and kids obstacle races plus a Trifecta pass.