United States
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Alabama3
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Alaska
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Arizona6
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Arkansas
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California22
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Colorado7
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Connecticut2
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Delaware
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District of Columbia
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Florida24
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Georgia6
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Hawaii3
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Idaho2
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Illinois11
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Indiana9
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Iowa3
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Kansas3
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Kentucky5
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Louisiana1
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Maine5
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Maryland4
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Massachusetts7
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Michigan5
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Minnesota1
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Mississippi
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Missouri4
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Montana2
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Nebraska1
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Nevada3
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New Hampshire
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New Jersey9
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New Mexico
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New York15
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North Carolina20
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North Dakota
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Ohio14
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Oklahoma5
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Oregon3
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Pennsylvania10
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Puerto Rico
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Rhode Island2
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South Carolina4
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South Dakota
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Tennessee8
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Texas22
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Utah5
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Vermont5
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Virginia12
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Washington7
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West Virginia2
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Wisconsin3
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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 285 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
March 2026
Test your endurance in Scottsdale with this steep five mile weighted event. Participants choose between light, standard, or heavy loads to carry while tackling over seventeen hundred feet of elevation gain.
Tough Mudder Los Angeles returns to the Lake Elsinore Raceway for a day of obstacles and mud. Choose from 5K, 15K, or the multi-lap Infinity challenge on winding trails. Finishers earn a medal, shirt, headband, and a celebratory drink.
Tough Mudder takes place at Lake Elsinore Raceway on March 21, 2026. Participants can choose from 15K or 5K routes with multiple obstacles. Finishers receive exclusive medals, gear, and a drink.
Support local veterans at Johnson University by participating in a 5K, a family walk, or a multi-exercise challenge featuring running, burpees, lunges, and squats.
Test your speed and endurance at Operation THUNDER in Glasgow Virginia. Choose between three different weight categories and navigate a thirteen mile course with over two thousand feet of elevation gain.
Experience a premier hybrid fitness challenge at the Anaheim Convention Center featuring a 5 km course with 10 functional fitness zones. Choose from individual, ruck, or team categories during this massive two day athletic event.
Experience the ultimate test of endurance and strength at the George R. Brown Convention Center. Join the global fitness movement in Houston for four days of individual, doubles, and relay competition.
Experience a fast and flat obstacle course race at the Burt Aaronson South County Regional Park. Choose from 5K sprints, endurance challenges, or kids races just minutes from the Florida coast.
Race through the heart of New Smyrna Beach in this inaugural five mile team adventure. Tackle over 20 puzzles and physical obstacles as a duo to compete for the fastest time or the best costume.
Experience a mud filled obstacle course at Oak Canyon Park in Irvine. Join the community for a day of mud pits and festival celebrations while supporting local charities through the Buy One Give One program.
A hybrid racing event indoors at Indiana Tech's track in Fort Wayne. Competitors choose between short or long distances, four weight classes, and run alternating with strength stations like sled pushes and sandbag carries. The event offers individual..
Mudders and Grunters is a trail race in Yorktown Heights on March 29, 2026, featuring an approximately 5 mile single loop through mud, water crossings and some hills. It is part of the 2026 Trail Mix Series.
April 2026
Experience the global fitness race at the Miami Beach Convention Center. Compete in individual, doubles, or relay divisions and earn your finisher patch at this premier indoor sporting event.
Experience a rugged obstacle course at Porter Farms featuring mud and creek crossings near Charlotte. Choose from 5K and 10K distances or endurance challenges in a classic farm setting.
Experience an obstacle course weekend at Woodward Reservoir Regional Park near San Jose. Choose from distances ranging from a 5k Sprint to a 50k Ultra on a flat course designed for personal performance.
Experience a fun and messy outdoor adventure featuring a several mile course with 12 mud-filled obstacles. This non-competitive event at Old Tucson is perfect for groups and includes a lively post-race party.
Join this community obstacle race in Cuero featuring a 5k course with 12 challenges. Support veterans and first responders while enjoying a family friendly event with activities for all ages.
Test your endurance in the Pisgah National Forest with a 26 mile trek featuring over 5600 feet of elevation gain. Carry a 20lb pack through the North Carolina wilderness in this physical event organized by Green Beret Fitness.