United States
- Alabama 2
- 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 1
- 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 9
- 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 248 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
May 2026
A family friendly 5K fun run at Leach Park on May 15, 2026 with a finisher medal, optional foam machine and on site bounce house. Proceeds support Strides for Sunnyside Run Club and shirts are $10.
Obstacle-course races run May 16 and 17, 2026 at Reveille Peak Ranch near Burnet, Texas. Courses move through Texas Hill Country across granite outcrops, dry creek beds and rolling hills with Sprint, Super, kids and endurance formats.
A two-day Spartan Trifecta Weekend at Big Bear Mountain Resort featuring Sprint, Super and Beast obstacle races at high altitude with long climbs and descents; kids races and spectator access are also available.
A Spartan obstacle weekend at Southington Off Road Park near Cleveland with races from a kids course to a 50 km Ultra across wooded, rugged trails. The Trifecta option allows completing Sprint, Super and Beast in one weekend.
A 5K obstacle course at Rocky Mount Sports Complex with mud pits, 15 plus obstacles, and a one mile kids race. Proceeds support local college scholarships and registered racers receive a shirt, medal, and goodie bag.
Obstacle course races on rolling motocross terrain in Morganton NC, featuring creek and pond crossings, a dirt bike track, and distances from 1 to 6 miles, plus elite, open, and youth Cub Crawl divisions.
Experience a wet and sandy 5k obstacle course at Pere Marquette Beach. Navigate 25 obstacles along the shoreline to support local food pantries and homeless shelters in Muskegon.
A team event on May 16, 2026 featuring a two-hour *10K* course across a 575-acre Versailles farm with 18 checkpoints including mountain biking, ziplining, archery and canoeing. Teams compete in male, female and mixed divisions.
Two days of obstacle-course racing at Seven Oaks Recreation in Boone, Iowa offering 5K, 6-mile Full Gladiator and junior/parent 5K heats. Sunday includes kid pricing, an exclusive wristband and group drink rewards.
Mad Dash at Treetop Adventures on Lake Hickory pairs a 300 m swim, obstacle course and a 5K run with a separate 5K and a kids fun run. Proceeds support Camp David and a local boarding academy.
Muddy Dash Austin is a 5K mud run at Travis County Fair Grounds on May 16, 2026 featuring obstacles, mud pits, slides, and festival style pre and after parties with music, food, and beer. Registration offers value and VIP packages and a donation prog..
An outdoor mud obstacle event at Possum Creek Mud Park on May 16, 2026. Teams are welcome and early bird registrants receive a swag bag, medal and event shirt. Top three finishers receive monetary prizes.
Operation GRANITE X at Tri-Township Park on May 16, 2026 uses repeated 6 mile loops made of three 2 mile laps. Two divisions are offered: a heavy, escalating weight format and an endurance format; entry totals $213.87.
Experience an adventure run at Snow Ridge Resort featuring a 5K course with 2000 feet of vertical elevation. Choose from individual races, team heats, or dedicated youth obstacle courses in the scenic Tug Hill Adirondack Region.
Test your endurance at Whispering Pines Park with a unique adventure race featuring a 5K run, swimming, and a Jeep push. Join as an individual or part of a team to support community wellness and educational initiatives.
Wason Pond Wrangler is an obstacle race on May 16, 2026 in Chester, New Hampshire, featuring a 5 km course run in multiple waves including a competitive wave. Online registration is closed and the event is limited to 800 participants.
Owner-and-dog teams take on a 4+ mile course with 30+ obstacles at OneWorld Pet Resort in Anniston. The event offers individual and team entries, age-based time adjustments, on-site kennels, and a lower-key Sunday run with no time-based awards.
Tough Tiger is an obstacle course event at Hampden Meadows School in Barrington, RI offering a 1.5 mile loop and a shorter adaptive course, with T shirts for early registrants, a raffle, and electronic timing.
Mud Factor Sacramento is a 5K mud and obstacle run on May 17, 2026 at the 300-acre Mahon Ranch, marking the event's 15th anniversary; it features adult and KIDZ family waves and a $10 spectator festival pass.
Tough Mudder Philly on May 23, 2026 at Plantation Field offers 5K, 15K and Infinity obstacle runs with named obstacles, finisher items, spectator festival access, and group and volunteer options.