United States
- Alabama 4
- Alaska 2
- Arizona 2
- Arkansas 1
- California 18
- Colorado 2
- Connecticut
- Delaware
- District of Columbia
- Florida 15
- Georgia 6
- Hawaii 1
- Idaho 2
- Illinois 4
- Indiana 6
- Iowa 1
- Kansas 2
- Kentucky 3
- Louisiana
- Maine 3
- Maryland
- Massachusetts 2
- Michigan 4
- Minnesota 2
- Mississippi
- Missouri 2
- Montana
- Nebraska 1
- Nevada 1
- New Hampshire
- New Jersey 3
- New Mexico
- New York 6
- North Carolina 9
- North Dakota
- Ohio 3
- Oklahoma 4
- Oregon 4
- Pennsylvania 2
- Puerto Rico
- Rhode Island 1
- South Carolina 2
- South Dakota
- Tennessee 4
- Texas 11
- Utah 6
- Vermont 5
- Virginia 3
- Washington 3
- 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 152 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
March 2027
Family friendly 5K mud run at Lake Elsinore Diamond Stadium on March 13, 2027 with mud pits, obstacles, slides and a Pre Party.
A trail event on March 13, 2027 in Pisgah National Forest offering 8 and 16 mile courses with listed elevation gains and pack-weight categories; registration is closed.
Ultimutt Race is a dog and owner obstacle course covering 5 km with 17 obstacles, an all day dog festival, timed Competitive and untimed Fun Run options, and fundraising for local shelters.
Obstacle races across sandy hills and pine woods at 7iL Ranch near Cat Spring, Texas, featuring Sprint, Super, Beast and kids races over the weekend.
Obstacle course event at Lake Elsinore Raceway on March 20, 2027 offering 15K and 5K courses, Infinity laps, a Mudder Village festival, and finisher rewards.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
Tough Mudder Los Angeles at Lake Elsinore Raceway on March 20, 2027 features 15K and 5K obstacle courses, Infinity laps, and spectator options.
A two-day Spartan weekend in Boca Raton with a 5 km sprint of 20 obstacles, kids races, a 12-hour Hurricane Heat, and spectator access near the coast.
Family oriented 5K at Virgil Gibbons Heritage Park featuring optional HOPstacles, chip timing, finish line prizes, and special categories for costumes, pairs, strollers, and dogs.
April 2027
A team-based adventure in New Smyrna Beach where two-person teams tackle 20-plus obstacles including puzzles and physical tasks. Participants must wear the event shirt and bib; racers must be at least 10 years old.
Obstacle course weekend at Porter Farms near Charlotte featuring Sprint 5K, Super 10K, kids races, a 12-hour Hurricane Heat, and spectator access.
Two-day Spartan Trifecta Weekend at Modesto Reservoir Regional Park on Apr 3 and 4, 2027 featuring 5K, 10K, 21K, 50K obstacle races plus kids events.
A military style 5 mile obstacle course in Tuscaloosa with 20+ obstacles and a Marine regulation O Course, with proceeds supporting the Alabama Marines Foundation.
A weekend of obstacle course races at Pala Fox Raceway with Sprint, Super and kids events plus spectator access on Apr 10 to 11, 2027.
Mud Factor Wichita is a 5K mud and obstacle run at Bar 2 Bar MX in Maize, Kansas on April 10, 2027, with adult and KIDZ waves, a $27 early bird price, and a required signed waiver.
An obstacle course race in Cumberland, Rhode Island featuring a 3.2 miles course with about 1,000 feet elevation, multiple wave formats including elite and age group competition, multilap sessions, and a 12 hours ultra option.
Obstacle course event in Sikeston Missouri on April 10 2027 featuring a 3.1 mile course with 25 plus obstacles, multiple 5K waves and a child 1.5 mile race.
Mud Factor Tulsa is a 5K mud obstacle run at Tulsa Raceway Park on April 11, 2027, featuring Adult and KIDZ Family waves and a festival area for spectators.
A charity trail event at Patriot Park featuring a 5K run and an obstacle 5K with mud pits, team competitions, and local proceeds supporting Restoration House Ministries.
Mountain Creek Resort hosts a two-day Spartan obstacle race weekend with Sprint, Super, Beast, Ultra and kids races plus spectator access.
Tough Mudder at Bouckaert Farm in Fairburn on April 24, 2027 offers 15K and 5K obstacle courses, finisher medals and apparel, plus a Mudder Village festival.