United States
- Alabama 1
- Alaska 1
- Arizona 2
- Arkansas 1
- California 20
- Colorado 4
- Connecticut 1
- Delaware
- District of Columbia
- Florida 13
- Georgia 6
- Hawaii 3
- Idaho 4
- Illinois 10
- Indiana 7
- Iowa 3
- Kansas 1
- Kentucky 5
- Louisiana
- Maine 4
- Maryland 1
- Massachusetts 3
- Michigan 10
- Minnesota 2
- Mississippi 1
- Missouri 1
- Montana 1
- Nebraska
- Nevada 1
- New Hampshire 2
- New Jersey 6
- New Mexico
- New York 7
- North Carolina 15
- North Dakota
- Ohio 11
- Oklahoma 3
- Oregon 5
- Pennsylvania 9
- Puerto Rico
- Rhode Island 2
- South Carolina 3
- South Dakota
- Tennessee 4
- Texas 14
- Utah 5
- Vermont 1
- Virginia 7
- Washington 5
- West Virginia 2
- Wisconsin 2
- 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 208 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
July 2026
Operation JERSEY X on July 25, 2026 in Hardwick Township, New Jersey features repeated 3.5 mile loops with about 1,220 ft of gain per loop. The X Series offers two divisions, Heavy with escalating weight and Endurance.
Two days at Brady's Run Park offering a 5K trail, a 4-hour multi-lap challenge, and both open and competitive 2-mile obstacle course formats with wooden finisher medals and prize awards.
Teams of two race head to head over a just under 300 yards obstacle course with dry obstacles and a likely muddy section in West Concord on July 25, 2026. Open to adults 18 and up; registration fee is $15.
Muddy Princess Michigan is a women only 5K obstacle mud run at Rouch Off-Road Vehicle Park on July 26, 2026. The course includes more than 18 obstacles and welcomes participants aged seven and up to run, jog or walk.
August 2026
Tough Mudder Indiana at CERAland Park on August 1, 2026 offers 15K and 5K courses with 20+ and 12+ obstacles, spectator passes, group packages, finisher medals and gear, plus volunteer and VIP options.
A weekend Spartan obstacle event at Tryon International Equestrian Center on Aug 1-2, 2026 featuring horse-trail terrain, red clay hill climbs, creek beds, multiple race distances, a kids race and a pre-race obstacle workshop.
Indiana Spartan Hurricane Heat Weekend on August 1, 2026 features 4 hour and 12 hour Hurricane Heat formats at CERAland Park in Columbus, IN. The 12 hour heat lists 25 challenges and requires participants to be 18 and older.
Test your endurance at this military inspired obstacle course featuring mud crawls and climbing walls. Supporting the Light Foundation, the event offers a 5k trail for adults and a dedicated race for children.
An obstacle 5K at Three Palms Action Sports Park in Houston on August 1, 2026 featuring mud, walls, ropes, and monkey bars, plus a pre-race packet pickup and a finish line festival. Registration includes Value and VIP package options.
Muddy Dash Boston is a family-friendly 5K mud run at 508 INTL Adventure Sports Center on August 1, 2026, with obstacles, mud pits and slides, plus a pre-party and an after-party with music and food.
A loaded trail event at Esmeralda Trailhead in Cle Elum, Washington on August 1, 2026. Two options: a 13 mile route with 4,406 ft elevation gain and a 9 mile mini with 2,831 ft, each requiring a 20 lb dry load.
An obstacle and trail running event at Diamond Lake Resort in Owensboro, Kentucky, featuring 5K and 10K options, 28 obstacles, and youth races for ages 4 to 13. Proceeds benefit MentorKids Kentucky.
A farm work inspired obstacle course at Waid Park on August 1, 2026, featuring more than 20 obstacles and new farm themed elements. Registration includes chip timing, a logo shirt and live bluegrass; kids 12 and under may participate free.
Indiana Hurricane Heat at CERAland Park in Columbus, IN on Aug 1, 2026 offers 12 hour and 4 hour Hurricane Heat formats. The 12 hour format includes 25 challenges and has an age minimum of 18; team options and discounts are available.
Obstacle course event held during the Jackson County Fair at the Jackson County Fairgrounds, with four age divisions, set distances and obstacle counts, and separate fees for youth and adult divisions.
A women only 5K obstacle mud run at East Fork Motocross Park in New Vienna, Ohio on August 2, 2026. The course features over 18 obstacles and welcomes female participants aged 7 and older to run, jog or walk together.
A women only 5K obstacle mud run at East Fork Motocross Park on August 2, 2026, focused on fun rather than competition, with spectator access, Bag Drop for a fee, and age and waiver requirements for young participants.
An outdoor obstacle mud run at the Bennick Compound in Morganton, NC. The one-mile course features 16 obstacles, giant sprinklers, a lazy river and extensive mud sections.
The event is cancelled. It had been planned as a 10K ruck obstacle course at Pineland Farms in New Gloucester, Maine, featuring The Crucible with 20+ obstacles and prize rules requiring participants to ruck the full course with a pack.