United States
- Alabama 2
- Alaska 1
- Arizona 2
- Arkansas 2
- California 22
- Colorado 4
- Connecticut 1
- Delaware
- District of Columbia
- Florida 14
- Georgia 9
- Hawaii 3
- Idaho 2
- Illinois 7
- Indiana 6
- Iowa 3
- Kansas 3
- Kentucky 4
- Louisiana
- Maine 3
- Maryland
- Massachusetts 4
- Michigan 5
- Minnesota 2
- Mississippi 1
- Missouri 3
- Montana 1
- Nebraska 1
- Nevada 1
- New Hampshire 2
- New Jersey 3
- New Mexico
- New York 7
- North Carolina 11
- North Dakota
- Ohio 7
- Oklahoma 5
- Oregon 5
- Pennsylvania 7
- Puerto Rico
- Rhode Island 2
- South Carolina 3
- South Dakota
- Tennessee 4
- Texas 11
- Utah 5
- Vermont 4
- Virginia 3
- Washington 2
- 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 190 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
April 2027
A two day obstacle race weekend at Modesto Reservoir Regional Park offering 5 km to 50 km distances with technical terrain and panoramic valley views.
A two-day obstacle course event in Tuscaloosa on April 9-10, 2027, with 20+ obstacles including a Marine regulation O-Course. The program includes competitive, open, team, and multiple children's race categories.
Obstacle course races at Pala Fox Raceway on April 10 and 11, 2027, featuring a 5 km sprint with 20 obstacles, a 10 km super, kids races, and spectator access.
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.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
Obstacle course race in Sikeston, Missouri on April 10, 2027 offering 5K, a 1.5 mile kids race with adult accompaniment, and a 5 hour endurance option.
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.
Two-day Spartan Trifecta Weekend at Mountain Creek Resort with obstacle races from 5K to 50K across steep mountain terrain.
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.
A 5K mud run with 26 obstacles through woods, fields and ponds, plus a 1-mile fun run, held in Green Cove Springs to benefit Seamark Ranch.
Atlanta Spartan Hurricane Heat Weekend at Bouckaert Farms offers 4-hour and 12-hour obstacle heats on Apr 24, 2027, with entry starting at $75.
A family obstacle race at Phipps Farm in Tallahassee featuring junior, youth and 5K courses plus food trucks and festival activities. Registration windows, age rules, and participant limits are set by the organizer.
A 5K mud obstacle run at Hobb's Grove in Sanger CA on April 25 2027 with Adult and KIDZ Family waves; waivers and photo ID required for adults.
May 2027
Two-day Spartan obstacle weekend at McCormick Farms, May 1-2, offering Sprint, Super, Beast, Ultra and Kids races across forest, quarry, and riverbank terrain.
A 5 km Spartan Stadion at Raymond James Stadium on May 1, 2027, featuring 20 obstacles across ramps, concourses and stadium stairs, plus a kids race and spectator access.
An obstacle course weekend at Meadow Wood Equestrian Center in Snohomish featuring 5K and 10K races, kids events, obstacles and spectator access.
A 5K mud and obstacle run at Myers Park in McKinney on May 1 2027 with Adult and KIDZ Family waves; signed waiver required and adults must show photo ID.
Nighttime obstacle race in Pingree Grove, IL with multiple 5K heats and a 30K unlimited laps option, illuminated obstacles, live entertainment, and onsite parking.
A Seriously Fun 5K obstacle run at Moto541 in Central Point, Oregon on May 8, 2027, open to all ages with required signed waivers and a spectator festival option.