United States
- Alabama 2
- Alaska 1
- Arizona 2
- Arkansas 2
- California 22
- Colorado 3
- Connecticut 1
- Delaware
- District of Columbia
- Florida 15
- Georgia 9
- Hawaii 3
- Idaho 2
- Illinois 7
- Indiana 6
- Iowa 3
- Kansas 2
- 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 6
- Puerto Rico
- Rhode Island 2
- South Carolina 3
- South Dakota
- Tennessee 4
- Texas 11
- Utah 4
- 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 187 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
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 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.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
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 5K mud run at Jacksonville Equestrian Center on May 1, 2027, with obstacles, mud pits, on-site services, and a Buy One & Give One registration program.
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.
An obstacle mud run at Montvale with a 5K course and a fun run, featuring over twenty obstacles and fundraising for Montvale's therapeutic programs.
Obstacle course weekend at Reveille Peak Ranch near Burnet TX featuring Sprint 5 km, Super 10 km, kids races and a 12 hour Hurricane Heat across Hill Country terrain.
The Bear Crawl OCR is a locally operated obstacle course event in Morganton, North Carolina, held at a motocross training facility. It offers one- to six-mile courses with rolling terrain, a dirt bike track, creek and pond crossings, and several obst..