United States
- Alabama 2
- Alaska 1
- Arizona 2
- Arkansas 1
- California 21
- Colorado 8
- Connecticut 2
- Delaware
- District of Columbia
- Florida 15
- Georgia 7
- Hawaii 3
- Idaho 3
- Illinois 12
- Indiana 9
- Iowa 3
- Kansas 1
- Kentucky 5
- Louisiana 1
- Maine 4
- Maryland 2
- Massachusetts 5
- Michigan 6
- Minnesota 2
- Mississippi 1
- Missouri 5
- Montana 2
- Nebraska 1
- Nevada 1
- New Hampshire 2
- New Jersey 7
- New Mexico
- New York 16
- North Carolina 17
- North Dakota 1
- Ohio 14
- Oklahoma 5
- Oregon 7
- Pennsylvania 7
- Puerto Rico
- Rhode Island 1
- South Carolina 4
- South Dakota
- Tennessee 7
- Texas 20
- Utah 6
- Vermont 5
- Virginia 9
- Washington 8
- 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 265 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
April 2026
Tough Mudder Atlanta on April 25, 2026 at Bouckaert Farm near Fairburn GA offers 15K and 5K obstacle courses, Mudder Village spectator access, group packages, finisher medals and apparel, and a complimentary finisher drink.
A Spartan obstacle weekend at Mountain Creek Resort in Vernon, NJ, offering Sprint, Super, Beast and Ultra races plus a kids race and an obstacle workshop. The Beast is in the North East National Series and the weekend supports a Trifecta attempt.
The Emerald Coast Mud Run in Defuniak Springs is an obstacle course event featuring competitive and open 5k and 10k races, plus a kids' fun run. Participants navigate 25-30 mud-filled obstacles. The event also supports orphan populations worldwide.
Experience a foam filled course at the Music City Raceway in Goodlettsville. Participants pass through multiple foam stations and enjoy a post race celebration at this community focused event for all ages.
A charity event at Seamark Ranch featuring a 5K course with 26 obstacles through woods, fields, ponds and mud, plus a 1-mile fun run. Proceeds support Seamark Ranch, a Christian boys and girls home in Green Cove Springs.
Test your limits at this family adventure race in Tallahassee. Choose between three obstacle courses ranging from a junior sprint to a five kilometer challenge featuring over thirty different obstacles.
This Earth Month event features a 5K and a 1-Mile run at Colver Fields in Talent. The course might be naturally muddy, offering a unique spring run. All proceeds benefit the Outdoor Discovery Program for local students.
Mud Factor Fresno is a 5k mud run at Hobb's Grove in Sanger, CA on April 26, 2026. The all ages event runs Adult and KIDZ family waves; participants must bring a signed waiver and adults must show a photo ID.
May 2026
Run Wild Races is a biannual zoo event featuring a 1 mile, a 5K, and a Wild Ninja obstacle course. Participants get free zoo admission and net proceeds support Galapagos and Sulcata tortoise conservation.
A muddy obstacle-course festival in Deansboro, New York offering 5 mile, 5K and kids runs plus live music and local brews. Proceeds support the Barden Adventure Scholarship and other charitable efforts.
Mud Factor returns to Myers Park in McKinney on May 2, 2026 with a 5K mud and obstacle run featuring Adult and KIDZ Family waves. Participants must bring a signed liability waiver and adults need photo ID; spectators pay $10.
A 5K Spartan Stadion at Raymond James Stadium featuring 20 obstacles, stadium stairs, and a kids race. Spectator options are available and the event is supported by local sports partners.
On May 2, 2026 the TOUGH Gator 5K Mud Run offers timed 5K and 2K courses across 200+ acres of Florida wilderness with multiple muddy obstacles. All proceeds support international aid including disaster relief and school supplies.
Experience an illuminated night obstacle race in Mchenry featuring torch lit trails and technical rigs. Participants can enjoy live entertainment and bonfires after completing their 5k or unlimited lap challenge.
Experience a fun mud filled course at Bates Nut Farm featuring waist deep mud pits and a dozen unique obstacles. This untimed event is perfect for those looking to run crawl and slide through the mud followed by a post race party.
Experience a messy three mile obstacle course at the Jacksonville Equestrian Center. Participants run crawl and slide through mud and water in this functional outdoor event designed for friends and families.
Experience an outdoor adventure in Raleigh featuring a two mile obstacle course with mud and a giant slip and slide. This family friendly event is open to all ages and includes a finisher medal for everyone.
A multi-course trail and obstacle event on May 2, 2026 at Henry Horton State Park in Lewisburg, TN supporting A Soldier’s Child Foundation. Distances range from a 26.2 mile multi-lap Crucible to a kids' Gauntlet with frequent start times.
A Spartan obstacle race weekend at Meadow Wood Equestrian Center in Snohomish WA on May 2 and 3 2026. The event uses wooded dirt trails beside the Snohomish River and includes Sprint 5 km, Super 10 km and a Kids Race.
Spartan obstacle weekend at McCormick Farms in Spring Lake, NC on May 2 to 3, 2026, with Sprint, Super, Beast, Ultra and Kids races across dense forest, rolling hills and a deep quarry. An obstacle workshop on May 1 and spectator access are available..