United States
- Alabama 2
- Alaska 1
- Arizona 2
- Arkansas 1
- California 18
- Colorado 7
- Connecticut 2
- Delaware
- District of Columbia
- Florida 11
- Georgia 7
- Hawaii 3
- Idaho 4
- Illinois 10
- Indiana 8
- Iowa 3
- Kansas 1
- Kentucky 5
- Louisiana
- Maine 4
- Maryland 1
- Massachusetts 4
- Michigan 11
- Minnesota 3
- Mississippi 1
- Missouri 3
- Montana 1
- Nebraska 1
- Nevada 1
- New Hampshire 3
- New Jersey 5
- 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 16
- Utah 5
- Vermont 4
- Virginia 9
- Washington 7
- 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 234 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
A two day Spartan event in Boca Raton with a flat, fast 5 km Sprint featuring 20 obstacles, kids races, Hurricane Heat formats, and spectator access on park trails and sandy terrain minutes from the ocean.
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.
A weekend obstacle-racing event at Porter Farms near Charlotte featuring Sprint 5 km, Super 10 km, Kids Race, and Hurricane Heat formats across mud and creek crossings. Team entries can share start times and eligible service members may receive a dis..
A multi-distance Spartan obstacle race weekend at Stanislaus County Parks on Apr 3-4, 2027, featuring Sprint, Super, Beast, Ultra and kids races across technical trails, grasslands and hills with signature obstacles and team options.
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.
Two days of obstacle-course racing at Pala Fox Raceway featuring Sprint, Super and Kids races. Courses include mud pits, rope climbs and varied terrain, with a post-race festival for finishers.
A 5K mud and obstacle run at Bar 2 Bar MX near Wichita on April 10, 2027, with adult and KIDZ family waves. Waivers and photo ID are required; spectators pay a $10 cash fee for festival area access.
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.
Mud Factor visits Tulsa Raceway Park on April 11, 2027 offering a 5K obstacle run with Adult and KIDZ Family waves. Early bird pricing and spectator details are provided and participants must bring a signed waiver.
A Spartan obstacle race weekend at Vernon Peak, NJ featuring Sprint to Ultra distances, a Kids Race, spectator access, and roughly 1,040 ft of vertical climb toward a 1,480 ft summit, with team options and a service member discount.
Tough Mudder Atlanta at Bouckaert Farm on April 24, 2027 offers a 15K with 20+ obstacles and a 5K with 12+ obstacles, plus spectator passes, VIP group options, and finisher rewards.
An off-road 5K at Seamark Ranch with 26 obstacles across woods, fields, ponds and mud, plus a 1 mile fun run. The event is a fundraiser for Seamark Ranch and operates rain or shine.
Atlanta Hurricane Heat on Apr 24, 2027 at Bouckaert Farms offers 4 hour and 12 hour formats. The 12 hour format includes 25 challenges and requires participants to be 18 or older; the event runs alongside a Tough Mudder weekend.
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 obstacle run at Hobb's Grove in Sanger, California on April 25, 2027, with Adult and KIDZ Family waves. Waivers and photo ID are required and spectators pay a cash fee for festival area access.
May 2027
A two-day Spartan obstacle weekend at McCormick Farms on May 1-2, 2027 featuring races from a kids course to a 50 km Ultra across forest, quarry, and riverbank terrain. Multiple race formats and spectator options are included.
A 5 km Spartan Stadion at Raymond James Stadium on May 1, 2027, featuring 20 obstacles through the bleachers and past the pirate ship. The event also includes a kids race and spectator options.
Obstacle course races take place May 1 and 2, 2027 at Meadow Wood Equestrian Center in Snohomish, WA. Events include a 5 km with 20 obstacles, a 10 km with 25 obstacles, and kids races on wooded trails.
Mud Factor MCKINNEY is a 5K mud and obstacle run at Myers Park & Event Center in McKinney, TX on May 1, 2027. The all-ages event has adult and KIDZ family waves; a signed waiver and photo ID are required for adults.
A community *5K* obstacle run at Moto541 in Central Point on May 8, 2027, with KIDZ Family Waves and adult waves. Participants must bring a signed waiver; spectators pay $10 cash for festival area access and youth 14 and under enter free.