United States
- Alabama 3
- Alaska 1
- Arizona 2
- Arkansas 2
- California 19
- Colorado 7
- Connecticut 2
- Delaware
- District of Columbia
- Florida 11
- Georgia 7
- Hawaii 3
- Idaho 3
- Illinois 11
- Indiana 9
- Iowa 3
- Kansas 2
- Kentucky 5
- Louisiana 1
- Maine 4
- Maryland 2
- Massachusetts 5
- Michigan 6
- Minnesota 2
- Mississippi 1
- Missouri 4
- Montana 1
- Nebraska 1
- Nevada 1
- New Hampshire 4
- New Jersey 7
- New Mexico
- New York 13
- North Carolina 16
- North Dakota 1
- Ohio 14
- Oklahoma 5
- Oregon 5
- Pennsylvania 10
- Puerto Rico
- Rhode Island 1
- South Carolina 5
- South Dakota
- Tennessee 4
- Texas 18
- Utah 5
- Vermont 4
- Virginia 8
- Washington 8
- West Virginia 2
- Wisconsin 4
- 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 251 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
June 2026
A mud obstacle trail run at Holiday Valley in Ellicottville, NY with 15 obstacles and three course options including a kids race. Courses follow the ridgeline past Spruce Lake and all finishers receive medals.
A *5K* mud run in Oak Harbor, Ohio featuring 20 plus obstacles with regular and Xtreme options, participant medals and T shirts, competitive age group awards, and a 10% donation of proceeds to Ronald McDonald House Charities.
Muddy Dash in Denver is a 5K mud run at Colorado National Speedway on June 20, 2026, featuring obstacles, mud pits no deeper than waist level, a pre-party with music, and an after-party with food and beer. Family friendly with standard and VIP option..
Test your endurance at Elka Park with this 14.5 mile weighted event. Participants navigate over 5,000 feet of elevation gain while carrying a 20 pound pack through the New York landscape.
Test your strength at this exclusive obstacle course event in Peyton featuring a three lap 3K race and a one mile kids run. Navigate rigs, rope climbs, and heavy carries in a small field of only fifty athletes.
An obstacle run at WACF Levinson-LaBrosse Lakes & Wetlands Education Center featuring a 2.25-mile trail with 15+ obstacles, team entries, water stations, and post-event refreshments. The course is untimed and participants may bypass obstacles.
Mud Factor returns to Dayton, Minnesota on June 20th, 2026 for its 15th year. The all-ages mud run features Adult and KIDZ Family waves, festival-area spectator access, and requires a signed waiver and photo ID for adult participants.
A family-friendly, mud-filled 1.5-mile trail run at Whitetail Ridge with 10+ obstacles, commemorative swag for registrants, food and kids' activities, cold outdoor showers, and free parking.
A YMCA obstacle course event in Port Royal on June 20 offers run and walk options with family oriented routes. A 1.5 km kids course has 10 obstacles while a 5 km adult course has 20 obstacles.
Muddy Princess Boston is a women only 5K obstacle mud run at Kimball Farm in Haverhill on June 21, 2026. The course has 18 plus obstacles and is open to women aged 7 and up who may run, jog or walk.
A three-day adult running and wellness camp at Stable View in Aiken, SC featuring trail runs, coaching, nutrition sessions, yoga, personal safety training, on-site meals, and single or shared lodging options.
A 72-hour endurance race in Pittsfield Vermont on June 26-28 2026 combining physical obstacles, navigation, and mental challenges. Tickets for the Death Race require a promo code issued after acceptance by the race director.
A three-stage Hurricane Heat endurance event at Riverside Farm on June 26-27, 2026, offering 4, 12, and 24 hour tiers that together form a full 24-hour challenge; entry is 18+ with 40+ challenges and team registration options.
Tough Mudder Twin Cities in Hugo Minnesota on June 27 2026 offers 5K and 15K mud courses plus an Infinity multi lap option, finisher items, spectator access, and group packages.
A 24-hour endurance challenge in Pittsfield, VT, run on repeated *2-mile* loops with 970 feet of elevation gain per loop. Participants compete for most laps or to endure the full day; tickets start at $135.
A two day obstacle course weekend in Bloomfield Township Ohio on June 27-28 2026 featuring a 1.5 mile military style Battle Challenge with a live fire range, multiple race distances, large water slides, camping and the USA OCR national championships.
An obstacle course backyard ultra where athletes run an approximately 3 miles loop every hour until one remains. Solo and relay formats are available, with a 50 mile solo option and team relays for groups of three to six.
A mud-run fundraiser in King George, VA on June 27, 2026, featuring a 4-mile obstacle course and a 1-mile kids run, organized by the Dahlgren Lions Club with team awards by group size.
Experience a half marathon in the mountains of Nederland Colorado. This event features a significant elevation gain of 4226 feet with the summit always in view.
A ruck style trail event at Crystal Mountain Resort on June 27, 2026, offering three distances with a 20 lb dry load and elevation gains listed up to 5,629 ft.