United States
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Alabama3
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Alaska
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Arizona4
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Arkansas1
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California20
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Colorado5
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Connecticut2
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Delaware
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District of Columbia1
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Florida25
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Georgia7
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Hawaii2
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Idaho3
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Illinois10
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Indiana8
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Iowa3
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Kansas4
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Kentucky4
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Louisiana1
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Maine3
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Maryland3
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Massachusetts5
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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 Jersey8
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New Mexico
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New York10
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North Carolina14
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North Dakota
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Ohio10
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Oklahoma4
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Oregon3
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Pennsylvania7
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Puerto Rico
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Rhode Island1
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South Carolina3
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South Dakota
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Tennessee7
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Texas23
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Utah4
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Vermont5
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Virginia7
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Washington5
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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 245 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
August 2026
Conquer raw high desert terrain at the Boise Spartan Trifecta Weekend. Choose from obstacle course races ranging from a 5K Sprint to a 21K Beast, plus kids events and other challenges. The rugged Pence Ranch landscape provides the setting.
Get muddy with family at the Ohana Mud Run in Morganton on August 8, 2026. This one mile course packs 16 playful obstacles, giant sprinklers and a lazy river for a fun, well organized day that often sells out.
Cancelled event: a planned 10k ruck and obstacle course at Pineland Farms in New Gloucester that honored fallen service members, with adult, youth and team categories and a 20 plus obstacle course called The Crucible.
Tackle over 15 obstacles on a 5k mud run course at the Lost Lake Entertainment Complex. Kids can enjoy a scaled down half mile Mini Monkey Run. A festival area offers music, food, and activities after the race.
Push your limits at TRYROX 3QuarterRox, a HYROX style race blending repeated 750 m runs with eight strength stations in Overland Park on Aug 8 and 9. Compete solo or in doubles and chase series standings with a shot at cash prizes.
A 5k mud run with 12 to 20 obstacles at Wooden Shoe Tulip Farm during the Summer Flower Festival, self timed and dog friendly. Proceeds support Woodburn Rotary and the Woodburn Rotary Foundation.
A beach based multi event on August 9, 2026 in Wildwood NJ combining a 1 mile ocean swim, a 5k run and sand and water obstacles for individuals, four person teams, and a kids run.
Experience a Scottish Highlander themed obstacle race in Pingree Grove featuring 15k, 5k, and family 3k courses with unique challenges like archery and caber carries.
The Terrain Race in Dallas Fort Worth is a 5K obstacle course with over 15 challenges like mud, walls, and ropes. The family-friendly event also features a kids' run and a festival area. It takes place at Village Creek Motocross Park in August 2026.
Get ready for the Muddy Dash in Philadelphia on August 15, 2026, at DREAM Park. Your registration includes a bib, medal, and post-race party, with VIP options adding extra gear. Spectators can cheer for free while you tackle the mud pits.
Hill of a Race on August 15, 2026 in Bloomington, IL offers an Endurance Challenge, competitive men's and women's divisions including master's 40+, and a series of recreational waves over an obstacle course.
A 5k mud run in Oak Harbor with more than 20 obstacles and two difficulty options per obstacle. Medals are awarded to all participants and 10% of proceeds go to Ronald McDonald House Charities.
Test your strength and endurance at the Raleigh Convention Center with 10 functional fitness zones and a 5 km run. Choose from individual elite heats, team challenges, or the high intensity Ultra format.
A two day Spartan obstacle event at Mahon Ranch near Elk Grove with sprint, super, and kids races across trails and river crossings. Team entries allow shared start times and eligible service members may receive a discount.
Tough Mudder Chicago brings its signature obstacle course to Rockford International Airport. Choose from a 5K, 15K, or the 8-hour Infinity challenge, tackling mud, trails, and unique obstacles. Finishers earn a medal, headband, shirt, and a celebrato..
This obstacle course weekend at West Virginia's Summit Bechtel Reserve offers a Spartan Trifecta with Sprint, Super, and Beast races. Steep hills, water features, and a large suspension bridge define the rugged course. Shorter Kids races and an Obsta..
Get ready to get dirty at Phil Moore Park. This 3-mile obstacle run features over 20 natural and man-made challenges through the park. A free kids' play area and group discounts make it a muddy adventure for the whole crew.
Get ready for a muddy adventure at Budds Creek Motocross Park. The event features race bibs, finisher medals, and challenging mud pits. Spectators can cheer for free from the festival area.