United States
- Alabama 4
- Alaska 1
- Arizona 4
- Arkansas 1
- California 19
- Colorado 2
- Connecticut 1
- Delaware
- District of Columbia
- Florida 17
- Georgia 9
- Hawaii 1
- Idaho 1
- Illinois 7
- Indiana 7
- Iowa 1
- Kansas 1
- Kentucky 4
- Louisiana
- Maine 2
- Maryland 1
- Massachusetts 2
- Michigan 6
- Minnesota 2
- Mississippi
- Missouri 3
- Montana 1
- Nebraska 1
- Nevada
- New Hampshire
- New Jersey 3
- New Mexico
- New York 4
- North Carolina 9
- North Dakota
- Ohio 3
- Oklahoma 3
- Oregon 4
- Pennsylvania 4
- Puerto Rico
- Rhode Island 1
- South Carolina 2
- South Dakota
- Tennessee 4
- Texas 11
- Utah 5
- Vermont 4
- Virginia 1
- Washington 5
- West Virginia 2
- Wisconsin 1
- 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 162 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
April 2027
An obstacle course weekend at Modesto Reservoir Regional Park featuring Sprint, Super, Beast, Ultra and kids races across rugged NorCal terrain with Bay Area views.
A military style 5 mile obstacle course in Tuscaloosa with 20+ obstacles and a Marine regulation O Course, with proceeds supporting the Alabama Marines Foundation.
Two days of Spartan obstacle races at Pala Fox Raceway including Sprint, Super, kids races and spectator access with mud pits rope climbs and a festival finish.
Mud Factor Wichita is a 5K mud and obstacle run at Bar 2 Bar MX near Wichita, KS on April 10, 2027, with family KIDZ waves and early bird pricing.
An obstacle course race in Cumberland, Rhode Island featuring a 3.2 miles course with about 1,000 feet elevation, multiple wave formats including elite and age group competition, multilap sessions, and a 12 hours ultra option.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
Obstacle course race in Sikeston, Missouri on April 10, 2027 offering 5K, a 1.5 mile kids race with adult accompaniment, and a 5 hour endurance option.
A family-oriented mud obstacle 5K at Tulsa Raceway Park on April 11, 2027 with Adult and KIDZ waves; waivers required and spectators pay a $10 cash fee.
A 3.1-mile obstacle mud run at Lake Bryan with ten optional obstacles, timed competitive heats, an endurance race, and proceeds benefiting Still Creek Ranch.
A charity trail event at Patriot Park featuring a 5K run and an obstacle 5K with mud pits, team competitions, and local proceeds supporting Restoration House Ministries.
A family-friendly mud run at Spyder MX on April 17, 2027 featuring obstacles, waist-deep mud pits, a pre-party and registration options including VIP perks and a donated-entry program.
A 5K mud and obstacle run at Club Moto in Livermore on April 17, 2027 with required signed waiver, a spectator fee, and listed entry prices.
A 4 mile obstacle course in Mackville, KY on April 17, 2027 with 25+ obstacles and elite and open waves; proceeds support Camp Calvary's scholarship fund.
Obstacle course at Horseshoe Bend near Page, AZ featuring an 11K route, more than 20 obstacles, two-person team divisions, and a finisher medal.
Hurricane Heat weekend at Bouckaert Farms in Fairburn, GA offers 4 hour and 12 hour Spartan obstacle heats on April 23, 2027 with listed entry prices.
A two day community event April 23 and 24, 2027 featuring seven races and activities, with ten dollars from each individual registration directed to a chosen charity or student group.
Obstacle course races at Mountain Creek Resort in Vernon NJ on April 24 and 25, 2027, featuring Sprint, Super, Beast, Ultra and kids races.
Obstacle event at Bouckaert Farm on April 24, 2027 offering 15K and 5K courses, finisher rewards, spectator passes, group packages, and a Mudder Village festival.
A 5K mud run with 26 obstacles through woods, fields and ponds, plus a 1-mile fun run, held in Green Cove Springs to benefit Seamark Ranch.
A family adventure race in Tallahassee with multiple obstacle courses for ages 3 through adults, plus food trucks and carnival activities.
Annual 5K mud and obstacle run at Hobb's Grove in Sanger with adult and KIDZ family waves, required waivers, and a spectator fee.