United States
- Alabama 4
- Alaska 1
- Arizona 2
- Arkansas 1
- California 19
- Colorado 3
- Connecticut
- Delaware
- District of Columbia
- Florida 16
- Georgia 6
- Hawaii 1
- Idaho 2
- Illinois 7
- Indiana 7
- Iowa 2
- Kansas 2
- Kentucky 3
- Louisiana
- Maine 3
- Maryland
- Massachusetts 2
- Michigan 5
- Minnesota 2
- Mississippi
- Missouri 3
- Montana
- Nebraska 1
- Nevada
- New Hampshire
- New Jersey 3
- New Mexico
- New York 6
- North Carolina 9
- North Dakota
- Ohio 3
- Oklahoma 4
- Oregon 4
- Pennsylvania 3
- Puerto Rico
- Rhode Island 1
- South Carolina 2
- South Dakota
- Tennessee 4
- Texas 11
- Utah 7
- Vermont 4
- Virginia 2
- Washington 3
- West Virginia 2
- Wisconsin 1
- 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 159 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 family-friendly 5K mud run on August 21, 2027 at Gloucester County 4-H Fairgrounds with obstacles, mud pits, a pre-party, and on-site packet pickup.
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.
Test your teamwork at Richardson Adventure Farm with 5 km, 15 km, or multi-lap Infinity courses featuring iconic obstacles and varied terrain.
September 2027
A multi-day endurance event at Decker Farm offering 36, 12 and 4 hour formats that mix farm chores, boot camp, trail running and strongman challenges.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
Summer Spirit Run at Magnuson Park in Seattle offers 5k, 10k, 15k plus a Kids Dash and an Obstacle Dash on a USATF certified 5k loop.
A four mile obstacle course in Bixby, Oklahoma with over 25 obstacles, a kids course for ages 12 and under, and group registration options.
Finger Lakes Mud Run in Auburn, NY on Sept 11, 2027 is an obstacle course with about 35 obstacles and a shorter Mini Muddy for children, with proceeds supporting local charities.
Obstacle course races at Indiana Dunes National Park on September 12, 2027 include 6.2 mi, 3.1 mi and a K9 3.1 mi course inspired by military landscapes.
Obstacle course weekend at Killington Ski Resort on Sep 18 to 19, 2027 with Sprint 5 km, Beast 21 km, Ultra 50 km and Kids races.
Two days of obstacle course races at Meadow Wood Equestrian Center with Sprint, Super, Beast and kids events on fast, wooded trails.
Obstacle-course event at The Cliffs Off-Road Park in Marseilles IL offering 3+ and 6+ mile courses, ruck divisions, a multi-lap challenge, and a kids course.
Off-road obstacle weekend at Badlands Off Road in Attica, IN on September 25 to 26, 2027 featuring Sprint, Super, Beast and kids races.
Experience rugged trails and mud at Lake Elsinore Raceway with Spartan 5K, 10K, and Kids obstacle races set against Southern California’s largest natural freshwater lake.
Tough Mudder Colorado on September 25, 2027 at Fort Carson offers 15K and 5K obstacle runs above 6,000 feet with finisher medals, shirts, and Mudder Village access.
October 2027
Spartan obstacle weekend in Lebanon, TN featuring a Sprint 5K with 20 obstacles, a Super 10K with 25 obstacles, kids races, and a 12 foot wide creek feature.
A 140-acre memorial fitness event at Queenslake combining a tactical 5 km ruck and obstacle course with a veteran music festival and permanent 19-station memorial trail.
Two-day obstacle race weekend near Cleveland with Sprint, Super, Beast, an Ultra, kids races, and a Trifecta option at Southington Off Road Park.