United States
- Alabama 2
- Alaska 1
- Arizona 2
- Arkansas 2
- California 22
- Colorado 3
- Connecticut 1
- Delaware
- District of Columbia
- Florida 15
- Georgia 9
- Hawaii 3
- Idaho 2
- Illinois 7
- Indiana 6
- Iowa 3
- Kansas 2
- Kentucky 4
- Louisiana
- Maine 3
- Maryland
- Massachusetts 4
- Michigan 5
- Minnesota 2
- Mississippi 1
- Missouri 3
- Montana 1
- Nebraska 1
- Nevada 1
- New Hampshire 2
- New Jersey 3
- New Mexico
- New York 7
- North Carolina 11
- North Dakota
- Ohio 7
- Oklahoma 5
- Oregon 5
- Pennsylvania 6
- Puerto Rico
- Rhode Island 2
- South Carolina 3
- South Dakota
- Tennessee 4
- Texas 11
- Utah 4
- Vermont 4
- Virginia 3
- Washington 2
- 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 187 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
May 2027
Test your strategy and endurance in a two hour adventure race featuring eighteen unique challenges like ziplining and climbing across a five hundred acre Kentucky farm.
Two day Spartan obstacle weekend at Big Bear Mountain Resort in May 2027 with Sprint, Super, Beast and kids races at about 8,200 ft altitude.
A community 5K obstacle course and family fun day in Rocky Mount raising scholarship funds, featuring a mud pit, 15+ obstacles, and a kid’s 1-mile race.
Mud Factor's Seriously Fun 5K mud and obstacle run returns to Mahon Ranch in Elk Grove on May 16, 2027, with adult and KIDZ family waves and required waivers for participants.
A wet and sandy 5K obstacle course at Pere Marquette Beach featuring 25 obstacles; entries include competitive and fun run options. Registration carries a fee and each entry includes a moisture-wicking shirt, with all proceeds supporting Muskegon Res..
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
Tough Mudder Philly on May 22, 2027 offers 15K, 5K and Infinity obstacle courses plus finisher items, spectator village and group options.
An obstacle course event at Byron Motosports Park on May 22, 2027 offering 10K and 5K waves, Special Forces, Ruck division and a kids course, produced by a nonprofit honoring service members.
Obstacle course weekend at Fort Carson with Sprint, Super, Beast, Ultra and kids races on steep high elevation trails.
Obstacle course weekend at Toro Park near Salinas with a Super 10K (25 obstacles), Sprint 5K (20 obstacles), kid races, and spectator options.
An annual obstacle race in Belton, Texas, about 3 miles along Nolan Creek with roughly 15 to 20 built obstacles and activities for ages 5 to 105.
A family-friendly 5K mud run at Lost Lakes Adventure Park with obstacles, mud pits, a pre-party and a post-race festival featuring music, food trucks, and drinks.
A five mile urban obstacle event in downtown Wheeling with more than 20 obstacles and heats of 175 participants. Minimum age is 16 and each entrant receives a shirt, medal, and drink ticket.
A two-day Spartan obstacle weekend at Perfect North Slopes with Sprint, Super, Beast, Ultra and kids races across muddy woodland terrain.
Mud focused obstacle course in Pinnacle, NC with multiple 5K individual and team waves plus a 1200 m kids Pollywog race; fees vary by event.
A family friendly 5K obstacle run at Brookdale Farms on June 5, 2027 with Adult and KIDZ Family waves; participants must bring a signed waiver and adults need photo ID.
A 5K mud run on June 5, 2027 at Georgia International Horse Park featuring about a dozen obstacles, mud pits no deeper than waist deep, and a festival-style after party.
Tough Mudder Michigan at Koenig Sand and Gravel on June 12, 2027 features 5K, 15K and Infinity course options plus a spectator village with live entertainment.
5K mud run at Bellevue Berry & Pumpkin Ranch in Papillion NE on June 13, 2027; waivers required and spectators $10 cash.
A 5K obstacle run in Dayton MN on June 19, 2027, marking the event's 16th year with Adult and KIDZ Family waves and festival-area spectator access.