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
- 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 8
- 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 235 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 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.
Tough Mudder Twin Cities is an obstacle event at Wild Wings of Oneka in Hugo Minnesota on June 27 2026, offering 5K, 15K and Infinity formats with named obstacles and 2026 finisher rewards.
A 24 hour endurance event in Pittsfield, Vermont on June 27 to 28, 2026. Runners repeat a two mile loop with 970 feet of elevation gain as they compete for most laps or aim to last the full 24 hours.