United States
- Alabama 1
- Alaska 1
- Arizona 3
- Arkansas 1
- California 22
- Colorado 4
- Connecticut 1
- Delaware
- District of Columbia
- Florida 13
- Georgia 9
- Hawaii 3
- Idaho 4
- Illinois 9
- Indiana 7
- Iowa 3
- Kansas 1
- Kentucky 5
- Louisiana
- Maine 3
- Maryland 1
- Massachusetts 5
- Michigan 7
- Minnesota 4
- Mississippi 1
- Missouri 3
- Montana 1
- Nebraska 1
- Nevada 1
- New Hampshire 2
- New Jersey 6
- New Mexico
- New York 7
- North Carolina 15
- North Dakota
- Ohio 11
- Oklahoma 4
- Oregon 5
- Pennsylvania 10
- Puerto Rico
- Rhode Island 2
- South Carolina 3
- South Dakota
- Tennessee 5
- Texas 14
- Utah 4
- Vermont 1
- Virginia 6
- Washington 5
- 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 217 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
May 2027
Obstacle course races at Fort Carson include Sprint 5K, Super 10K, Beast 21K and Ultra 50K on steep high elevation trails with many obstacles. Team entries can match start times and eligible service members may receive a discount.
Obstacle course races at Toro Park near Salinas include a Sprint (5 km), Super (10 km) and kids events across wooded trails and rolling hills, plus spectator options and team registration.
A five mile urban obstacle event in downtown Wheeling with more than 20 obstacles and heats of 175 participants. Minimum age is 16 and each entrant receives a shirt, medal, and drink ticket.
June 2027
A Spartan obstacle race weekend at Bethel Woods in June 2027 featuring sprint, super and kids races across rolling terrain with obstacles, spectator access, team pricing and a service member discount.
A multi-distance Spartan obstacle weekend at Perfect North Slopes near Cincinnati, featuring 5K, 10K, 21K, 50K and kids races. Courses run over hills, water and mud with festival access at the base lodge and onsite parking.
A muddy obstacle course event at Jomeokee Campground in Pinnacle NC, organized by the Marine Corps League. It is held each year on the first Saturday in June; the 17th edition is scheduled for June 5, 2027 with registration opening March 1, 2027.
A family friendly 5K obstacle run at Brookdale Farms in Eureka Missouri on June 5, 2027, with separate adult and KIDZ family waves, a festival area for spectators, and specific waiver and ID requirements.
A Tough Mudder obstacle event on June 12, 2027 at Koenig Sand & Gravel in Oxford, MI, offering 15K, 5K, Infinity laps, spectator passes, and group packages on rugged sand-and-gravel terrain with 12 to 20+ obstacles.
Tough Mudder Twin Cities on June 26, 2027 at Wild Wings of Oneka in Hugo MN runs off trail through pine forests, wetlands and bogs. Options include 5K and 15K courses, an Infinity multi lap format, spectator access and group packages.
A weekend of Spartan obstacle races at Carter & Stevens Farm in Barre, MA on June 26-27, 2027, featuring a 5 km Sprint with 20 obstacles, a 10 km Super with 25 obstacles, a kids race, spectator access, team entry options, and service discounts.
Two-day Trifecta weekend in Utah on July 10-11, 2027 featuring Sprint 5 km, Super 10 km, Beast 21 km, kids races, alpine climbs and a gondola finish.
October 2027
A weekend obstacle event near Cleveland at Southington Off Road Park on Oct 30 and 31, 2027 offering Sprint, Super, Beast and Ultra distances plus kids races through dense forest trails and natural obstacles.