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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California20
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Colorado4
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Connecticut2
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Delaware
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District of Columbia1
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Florida22
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Georgia7
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Hawaii2
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Idaho2
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Illinois8
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Indiana10
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Iowa2
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Kansas4
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Kentucky4
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Louisiana
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Maine4
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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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Nevada4
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New Hampshire
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New Jersey5
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New Mexico
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New York7
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North Carolina13
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North Dakota
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Ohio7
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Oklahoma3
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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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Texas19
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Utah5
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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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Wisconsin1
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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 211 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
May 2026
A weekend of Spartan obstacle races at Toro Park near Salinas, California, featuring a Sprint 5 km, a Super 10 km, and kids races amid wooded trails and coastal views. Spectators, bag check, parking, team starts, and service member discounts are avai..
A high-elevation Spartan weekend at Fort Carson offering obstacle races from a kids 1 to 3 km course up to a 50 km Ultra near Pikes Peak. Team and spectator options are available along with GOVX discounts for eligible service personnel.
Get dirty and have fun at the Oklahoma City Muddy Dash, a noncompetitive multi mile mud course with a dozen playful obstacles and waist deep pits. Costumes are welcome and a lively festival with food, music, and post race activities rounds out the da..
Challenge your fitness at the 2026 Denver DEKA FIT & Ultra on May 30 at Gaylord Rockies in Aurora, CO. Tackle a 5 km course with 10 fitness zones, or step up to the Ultra, with volunteer perks and service member discounts available.
Take on the three mile Badass Human Race in downtown El Paso on May 31, 2026. Tackle urban obstacles, cool plunges and team zones, then celebrate with live DJs, food trucks and a finish line party.
June 2026
Obstacle course weekend at Bethel Woods Center for the Arts with Sprint, Super and Kids races over rolling hills and forest trails. The venue is the site of the 1969 Woodstock festival and offers on site camping.
A multi-distance Spartan weekend at Perfect North Slopes near Cincinnati on June 6-7, 2026, featuring Sprint Super Beast Ultra and Kids races across hilly wet and muddy terrain with a base-lodge festival and onsite parking.
Get muddy at Mud Factor on June 6 at Brookdale Farms in Eureka, Missouri a 5K obstacle run with adult and KIDZ family waves for runners of all ages. Celebrate post race in the festival area and snap pro photos available for purchase.
Join Goliathon XXIII on June 6, 2026 at Gloucester County Fairgrounds in Mullica Hill NJ for a family friendly 4 mile obstacle course with 12 tiered challenges. Choose easy, difficult or extreme tiers, race solo or form a team and compete for braggin..
Loop the Lupe in Seattle in early June mixes a muddy obstacle 5K with a no obstacle 5K, a flat Senior Saunter and a Youth Dash. All entries include a tech shirt, bib and finisher medal and proceeds benefit Our Lady of Guadalupe Church.
Take on the Ultimate Ram OCR Challenge on June 13, 2026 in Chattaroy, WA: a 5 mile course with 30 plus obstacles to test strength, grip and mental grit. Open to ages 14 to 99 with competitive divisions and prizes, all proceeds support local school at..
Tackle trails and 24 natural and manmade obstacles in the Gaylord Gauntlet 5K at Gaylord Specialty Healthcare in Wallingford CT on June 13, 2026. Enjoy live music, food trucks and a festival while supporting adaptive sports.
Get muddy at the Kansas City Muddy Dash on June 13 at Valley Speedway in Grain Valley Missouri. Tackle a few miles of obstacle mud with waist deep pits, enjoy a festival and post race party, and rock your best costume.
Push your limits at TRYROX Race Series HalfRox on June 13 and 14, 2026 at C26 Hub in Overland Park, KS, a HYROX simulation alternating runs with eight workout stations. Compete solo or in doubles and chase series cash prizes.
Take on a self paced 3 mile course with a dozen mud and water obstacles at the Reid Adventure Course. Finishers get a medal and tee and the event supports Reid Health athletic trainers for local schools.
Muddy Dash Atlanta is an obstacle mud run at the Georgia International Horse Park on June 20, 2026, featuring up to 3 miles of mud pits and obstacles. Value and VIP registration options include race items and festival access.
Dive into the Hollis Adams Mud Run, a muddy 5k with fun obstacles, family and dog friendly heats in Indianapolis. Enjoy an after party with food and drinks while supporting a nonprofit for adults with intellectual disabilities.
Tackle 15 muddy obstacles at the 14th annual Holiday Valley Mudslide in Ellicottville on June 20, 2026. Choose a 4.2 or 6.0 mile trail, get a timed result and finisher medal, and bring the family for kid friendly fun.