United States
- Alabama 2
- Alaska 1
- Arizona 2
- Arkansas 1
- California 20
- Colorado 7
- Connecticut 1
- Delaware
- District of Columbia
- Florida 13
- Georgia 7
- Hawaii 3
- Idaho 4
- Illinois 10
- Indiana 9
- Iowa 3
- Kansas 1
- Kentucky 5
- Louisiana
- Maine 4
- Maryland 1
- Massachusetts 4
- Michigan 11
- Minnesota 3
- Mississippi 1
- Missouri 3
- Montana 1
- Nebraska
- Nevada 1
- New Hampshire 3
- New Jersey 6
- New Mexico
- New York 10
- North Carolina 14
- North Dakota
- Ohio 12
- Oklahoma 3
- Oregon 6
- Pennsylvania 9
- Puerto Rico
- Rhode Island 2
- South Carolina 6
- South Dakota
- Tennessee 4
- Texas 14
- Utah 5
- Vermont 4
- Virginia 9
- Washington 6
- West Virginia 2
- Wisconsin 3
- 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 235 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
A high altitude Spartan weekend at Big Bear Mountain Resort featuring Sprint, Super, Beast and Kids races, plus a Trifecta option to complete all three main distances in one weekend.
Tackle the Tar is an annual 5K obstacle course and family fun day in Rocky Mount featuring a mud pit and 15+ obstacles. Proceeds support local college scholarships and a separate 1 mile kids race is offered.
A 5K mud and obstacle run at Mahon Ranch in Elk Grove on May 16, 2027, with adult and KIDZ family waves, required signed waivers and photo ID for adults, spectator festival access, and on-site event photography.
A wet and sandy 5K obstacle course at Pere Marquette Beach featuring 25 obstacles; entries include competitive and fun run options. Registration carries a fee and each entry includes a moisture-wicking shirt, with all proceeds supporting Muskegon Res..
Tough Mudder Philly on May 22, 2027 is an outdoor obstacle mud run with 15K and 5K course options, Infinity laps, and a Mudder Village for spectators. The course crosses open fields, wooded sections, riverbeds, and includes cold water and thick mud.
Weekend of obstacle races at Fort Carson with Sprint, Super, Beast and Ultra distances, plus kids races and spectator access. The courses use high elevation terrain with steep climbs and rugged trails.
A weekend of Spartan obstacle races at Toro Park near Salinas with Sprint, Super and kids distances on wooded, hilly trails. Team entries, volunteer options, spectator access, and a service member discount are available.
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
An obstacle race weekend at Bethel Woods in June 2027 featuring Sprint, Super and Kids races across rolling hills and classic obstacles; teams can secure shared start times and eligible U.S. service members may receive a discount.
A multi distance Spartan obstacle weekend at Perfect North Slopes near Cincinnati, featuring Sprint 5 km, Super 10 km, Beast 21 km and Ultra 50 km races. The weekend also includes a kids race, spectator viewing areas, onsite parking and a base lodge..
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.
Tough Mudder Michigan on June 12, 2027 at Koenig Sand and Gravel in Oxford features 5K and 15K obstacle courses, an Infinity timed option, and spectator passes on an industrial sand and gravel site.
October 2027
Cleveland Spartan Trifecta Weekend at Southington Off-Road Park on October 30-31, 2027 offers multiple obstacle races through dense forest and rugged trails. Participants can contest Sprint, Super, Beast, Ultra or a kids race and attempt a Trifecta b..