United States
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Alabama1
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Alaska
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Arizona3
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Arkansas2
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California19
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Colorado3
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Connecticut2
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Delaware
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District of Columbia
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Florida23
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Georgia8
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Hawaii1
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Idaho2
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Illinois7
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Indiana11
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Iowa2
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Kansas
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Kentucky4
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Louisiana
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Maine3
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Maryland3
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Massachusetts3
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Michigan4
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Minnesota1
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Mississippi
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Missouri4
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Montana1
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Nebraska
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Nevada2
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New Hampshire
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New Jersey4
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New Mexico
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New York6
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North Carolina12
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North Dakota
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Ohio3
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Oklahoma2
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Oregon1
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Pennsylvania4
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Puerto Rico
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Rhode Island1
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South Carolina4
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South Dakota
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Tennessee5
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Texas15
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Utah3
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Vermont7
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Virginia5
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Washington4
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West Virginia2
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Wisconsin1
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Wyoming
Obstacle Race Calendar United States 2025-2026
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 2025-2026! 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!
September 2026
Take on rugged hills, cliffs, ravines and wooded trails at MIDWEST OCR with 5K and 10K obstacle courses plus ruck divisions. All finishers get a shirt, medal and pro action photos, and the race is veteran owned.
Hit sand dunes, creek crossings and mud at the Midwest Spartan Trifecta Weekend at Badlands Off Road near Attica IN on September 26 and 27, 2026. Pick Sprint, Super, Beast or Kids races and bring a team to save, with service member discounts availabl..
Take on rugged trails beside Southern California's largest natural freshwater lake at the Temecula Spartan Weekend. Sprint, Super, kids races and 4 or 12 hour Heat options, plus team entries and discounts for military and first responders.
Get muddy at Tough Mudder Colorado, a weekend of adrenaline and teamwork at Fort Carson with iconic obstacles like Kiss of Mud, Electroshock Therapy and Pitfall. Choose a 15K or 5K course, enjoy finisher swag and cold drinks.
Join the Wild Boar Challenge in Saint Charles, Iowa on Saturday, September 26, 2026. This off road obstacle event tests speed and agility with a 5 mile course or a fun 1.5 mile Piggy Trot while raising funds for local Iowa causes.
October 2026
Join the Las Vegas Spartan weekend in Henderson for Sprint, Super, Kids Race and Hurricane Heat on rugged desert trails near Mount Scorpion, about 15 miles from the Strip. Push your limits and race with friends.
Get muddy and test your grit at the Nashville Spartan Event Weekend held at scenic Neal Farms just outside Nashville. Sprint, Super, Kids races and a 4 hour Hurricane Heat offer fierce obstacles and festival vibes for every age and ability.
Get gloriously muddy at the Muddy Dash in San Antonio on October 3, 2026 at Cycle Ranch Pro. This untimed few mile obstacle run packs about a dozen mud features with waist deep pits, a post race party and costume friendly fun for all.
Catch the North American Wife Carrying Championship at Sunday River, where teams race a short obstacle course with log hurdles and a notorious water hazard for quirky prizes. Part of Fall Fest, this lively event blends speed and spectacle.
Experience Zombie Mania in Rexburg, Idaho on October 10, 2026, a timed 5K through Nature Park and Eagle Park where volunteers dressed as zombies try to grab your health flags. A fun 1 mile costume run is offered for kids and adults.
Bring your pup to Ruff Run California, a playful obstacle course on 20 acres with over 20 mud and water challenges that test teamwork and strategy. Enjoy a lively after party with music, games and vendors in the high desert.
Take on rugged terrain at Twin Canyons Ranch near Granbury for the 2026 Dallas Spartan Trifecta Weekend, Oct 17 and 18. Choose from Sprint, Super, Beast, Ultra and kids races for all levels, with team entries and service discounts available.
Tough Mudder Nashville at Neal Farms on October 17, 2026 brings muddy obstacles, music and festival fun for teams and first timers alike. Choose 5K, 15K or Infinity laps and soak up Mudder Village vibes.
Test your grit at the Warrior Wolf Challenge in Fuquay Varina, a hybrid event blending speed, strength and endurance across three workouts inspired by Slavic gods. Ruck runs, heavy lifts and an obstacle course await Elite and Scaled competitors.
Take on Tough Mudder Nashville on Oct 17, 2026 at Neal Farms, Lebanon TN with 5K, 15K or Infinity lap obstacle courses for all levels. Race as a team to share start times and save; eligible US service members can get up to 25% off via GOVX.
Push your limits at Tribe Fitness Challenge Field with 400 m interval runs between eight strength and conditioning stations. Solo athletes and teams face assault bike, sled pushes and mystery zones in a fun competitive challenge.
Take on rugged Blue Ridge trails at the Virginia Spartan Race, Oct 24 to 25, 2026 at Massanutten Resort. Choose Sprint, Super or Kids races with rocky climbs and 20 plus obstacles for a weekend of mud, challenge, and spectator fun.
Tackle fast, muddy Spartan obstacle courses at Sunflower Valley Farm in New Hampton NY, Oct 31 to Nov 1. Choose Sprint, Super or Kids races, earn a medal and get team savings, service member discounts and volunteer options.
November 2026
Take on Spartan Stadion at Fenway Park, a 5 km obstacle course with 20 challenges inside and around the ballpark. Teams, kids races, and service member discounts make this November weekend ideal for adventurous runners.