United States
- Alabama 4
- Alaska 1
- Arizona 2
- Arkansas 1
- California 19
- Colorado 3
- Connecticut
- Delaware
- District of Columbia
- Florida 16
- Georgia 6
- Hawaii 1
- Idaho 2
- Illinois 7
- Indiana 7
- Iowa 2
- Kansas 2
- Kentucky 3
- Louisiana
- Maine 3
- Maryland
- Massachusetts 2
- Michigan 5
- Minnesota 2
- Mississippi
- Missouri 3
- Montana
- Nebraska 1
- Nevada
- New Hampshire
- New Jersey 3
- New Mexico
- New York 6
- North Carolina 9
- North Dakota
- Ohio 3
- Oklahoma 4
- Oregon 4
- Pennsylvania 3
- Puerto Rico
- Rhode Island 1
- South Carolina 2
- South Dakota
- Tennessee 4
- Texas 11
- Utah 7
- Vermont 4
- Virginia 2
- Washington 3
- West Virginia 2
- Wisconsin 1
- 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 159 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
January 2027
Conquer a winter obstacle course in Lake Geneva with distances ranging from 5K to 20K plus a dedicated kids race and a festive basecamp with fire pits.
February 2027
An obstacle course weekend at Fort McDowell Rodeo Grounds featuring sprint, super, kids races, a 4-hour Hurricane Heat and spectator access.
A multi-day winter endurance race in Pittsfield, VT with snow terrain, physical obstacles and unknown start and end times; entry is by application only.
A 5 km Spartan obstacle race with 20 obstacles at Dodger Stadium on February 20, 2027, plus kids races and spectator access in Los Angeles.
Obstacle course races at Diamond D Ranch near Jacksonville on Feb 27 and 28 2027, offering Sprint 5K, Super 10K, kids races and a four hour Hurricane Heat.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
Obstacle-course event at Reveille Peak Ranch, Burnet TX on Feb 27 2027 offering 15K, 5K, Infinity laps, spectator passes, and finisher medals.
March 2027
Two days of Spartan obstacle racing at Sand Hollow State Park near Zion National Park with Sprint 5 km, Super 10 km, Beast 21 km and kids races.
A family friendly muddy 5K at Oak Canyon Park with obstacles, mud pits, a pre party, VIP options and a Buy One & Give One donation program.
A community mud run and color run on March 13, 2027, supporting cancer causes with competitive, fun, team and virtual options plus fundraising and sponsorship opportunities.
Obstacle course weekend at Georgia International Horse Park offering Sprint 5 km, Super 10 km, Beast 21 km and kids races across hills, mud, and water crossings.
A family-friendly 5K mud run with obstacles, mud pits, slides, a pre-party and a post-race party at Lake Elsinore Diamond Stadium on March 13, 2027.
Trail event in Pisgah National Forest on March 13 offering 8 or 16 mile options with notable elevation gain and optional carried weight up to 25 lbs; 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 course races at 7iL Ranch near Cat Spring TX on March 20 and 21 with sandy trails, creek crossings and 5 km, 10 km and 21 km options.
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.
Tough Mudder Los Angeles at Lake Elsinore Raceway on March 20, 2027 features 15K and 5K obstacle courses, Infinity laps, and spectator options.
Obstacle course weekend in Boca Raton featuring a flat, fast Sprint 5K with 20 obstacles plus kids races and a 12 hour Hurricane Heat.
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 two-person adventure race in New Smyrna Beach on April 3, 2027, featuring 20+ obstacles, required race shirt and visible bib.