United States
- Alabama 2
- Alaska 1
- Arizona 2
- Arkansas 1
- California 20
- Colorado 7
- Connecticut 1
- Delaware
- District of Columbia
- Florida 13
- Georgia 7
- Hawaii 3
- Idaho 4
- Illinois 10
- Indiana 9
- Iowa 3
- Kansas 1
- Kentucky 5
- Louisiana
- Maine 4
- Maryland 1
- Massachusetts 4
- Michigan 10
- Minnesota 3
- Mississippi 1
- Missouri 3
- Montana 1
- Nebraska 1
- Nevada 1
- New Hampshire 3
- New Jersey 6
- New Mexico
- New York 10
- North Carolina 14
- North Dakota
- Ohio 12
- Oklahoma 3
- Oregon 6
- Pennsylvania 9
- Puerto Rico
- Rhode Island 2
- South Carolina 6
- South Dakota
- Tennessee 4
- Texas 16
- Utah 5
- Vermont 4
- Virginia 9
- Washington 6
- West Virginia 2
- Wisconsin 3
- 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 237 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 5K obstacle mud run in Pittsburgh on June 14, 2026, held at Switchback MX. The event offers standard, VIP and volunteer ticket options and lists a partnership with the National Breast Cancer Foundation.
Mud Factor Omaha is a 5K mud run at Bellevue Berry & Pumpkin Ranch on June 14, 2026 featuring adult and family kid waves, required signed waivers, spectator fees, tiered registration pricing and event photos for purchase.
A two-day obstacle event at Gadsden Battlefield on June 19 and 20, 2026, featuring a Friday night rope climb, a 10K obstacle race in competitive and non-competitive categories, a Kids Challenge, and volunteer roles.
A family-friendly 3 mile obstacle course at IU East in Richmond on June 20, 2026, featuring 15 plus obstacles, shirts, medals, and a fan zone. Proceeds support athletic training services through the Reid Health Foundation.
A family friendly 5K mud run at Georgia International Horse Park with obstacles, mud pits and slides. The day includes a pre party and an after party with music, food and beer and offers value and VIP registration options.
A 5K obstacle-course event in Indianapolis on June 20, 2026, with multiple heats, family and dog-friendly options, plus an afterparty and vendors. Proceeds benefit the Hollis Adams nonprofit.
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.
A family-friendly *5K* mud run at Colorado National Speedway on June 20, 2026, with obstacles, waist-deep mud pits, slides, a pre-party and an after-party with music and food. Registration tiers include standard and VIP options.
Operation WOODSTOCK on June 20, 2026 in Elka Park, NY is a 14.5 mile load bearing event with 5,210 ft elevation gain and a 20 lb dry pack. Entry is listed at $105 plus $7.35 tax.
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 20, 2026 for a 5K obstacle run with Adult and KIDZ Family Waves. Waivers are required, adults must bring photo ID, and spectators pay $10 cash for festival access.
A mud obstacle trail run at Whitetail Ridge Ski Area with a 1.5 mile course and 10 plus obstacles. Pre registered entrants may receive swag, and the event includes food sales, family activities, outdoor cold 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.
A Father's Day obstacle course in Jonesville on June 20, 2026 featuring a 5K adults course and a 3K kids course for children under 11, with running, walking, climbing and crawling across fields and trails.
Muddy Princess Boston is a women-focused 5K obstacle mud run at Kimball Farm in Haverhill, MA on June 21, 2026. The event features muddy obstacles, hydration and rinse stations, participant items and a partnership with the National Breast Cancer Foun..
A multi-day running and wellness camp at Stable View in Aiken, SC with trail runs, coaching and nutrition workshops, yoga, a self-defense session, chef-prepared meals, and on-site single or shared accommodations.
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.
Spartan H3X is a staged Hurricane Heat endurance challenge at Riverside Farm in Pittsfield, VT on June 26-27, 2026. Participants choose 4 hour, 12 hour or 24 hour options and may continue through all stages up to 24 hours.