United States
- Alabama 55
- Alaska 15
- Arizona 107
- Arkansas 44
- California 350
- Colorado 129
- Connecticut 38
- Delaware 16
- District of Columbia 14
- Florida 174
- Georgia 97
- Hawaii 9
- Idaho 12
- Illinois 68
- Indiana 70
- Iowa 30
- Kansas 36
- Kentucky 70
- Louisiana 29
- Maine 25
- Maryland 71
- Massachusetts 56
- Michigan 103
- Minnesota 48
- Mississippi 15
- Missouri 64
- Montana 33
- Nebraska 21
- Nevada 27
- New Hampshire 27
- New Jersey 72
- New Mexico 28
- New York 134
- North Carolina 163
- North Dakota 2
- Ohio 91
- Oklahoma 44
- Oregon 79
- Pennsylvania 174
- Puerto Rico
- Rhode Island 8
- South Carolina 68
- South Dakota 6
- Tennessee 72
- Texas 242
- Utah 66
- Vermont 20
- Virginia 141
- Washington 121
- West Virginia 29
- Wisconsin 66
- Wyoming 7
Trail Running Calendar United States 2026-2027
Explore the best trail runs in the United States for 2026-2027! Our updated list features 3943 exciting trail runs across the country. Find your next trail run in the United States below and join the trail community at these great events!
May 2027
A chip-timed 5K trail run at The Goatery at Kiawah River on 05/01/2027, with a non-chip kids 5K, eco-friendly finishes, and proceeds supporting the Hampton Wildlife Fund.
A 62 mile trail ultramarathon in Stinson Beach with over 11,000 feet of gain, relay options, sustainability practices, and a 400 runner field limit.
A 12 hour trail endurance race in Santa Fe, NM where participants complete as many 3.2 mile loops as they can on a supported mountain course.
A 5K trail run and walk at Jacobsburg State Park raising funds to sponsor wreaths for veterans and supporting local veteran charities.
Nighttime obstacle race in Pingree Grove, IL with multiple 5K heats and a 30K unlimited laps option, illuminated obstacles, live entertainment, and onsite parking.
Invitation only ultratrail near Sedalia, CO focused on map and compass navigation, minimal aid, and loop options from about 24 to 100 miles with strict self reliance.
A 24 hour track event in Davenport, IA limited to 60 runners, with volunteer lap counters, awards for overall and 100 km performances, and proceeds to children's running programs.
Experience a rugged 57.41 mile wilderness point to point ultra through the Ocala National Forest on the Florida National Scenic Trail.
A 5K, 10K and half marathon along the Katy Trail and Frontier Park in historic downtown St Charles, with post race awards and a festival style finish area.
An out-and-back ultrarun in Cassoday KS across gravel roads and Flint Hills prairie, offering 50 mile, 50K and 25K with multiple aid stations and drop bag support.
Celebrate the 1980s at Wheeler Park with a themed half marathon, quarter marathon, 5K, or 1 mile run featuring retro music and a costume contest.
A muddy obstacle run at Jacksonville Equestrian Center on May 1, 2027 with mud pits, obstacles, a pre-party, and Value and VIP registration options.
Multi-distance trail races in Erda, UT on May 1, 2027 across the Serengeti/Oquirrh Wave trails, featuring technical single-track and a USATF sanctioned 50 mile with large elevation.
A 24 hour trail race in Chapin Forest Reservation near Cleveland with a 1 mile loop, a 100 mile option, and open distance up to 24 hours.
Timed endurance running at Hills Creek State Park offering 3 hour, 6 hour and 12 hour formats plus a 12 hour relay on May 1, 2027.
About 3 miles starting at Chukchansi Park with stadium steps, multi story garage climbs, a half mile run on Fulton Street and 220 stairs to The Grand Tower.
Healthy Strides at Burke Lake Park features certified 5K and a competitive 10K on May 1, 2027, plus children's dashes, medals and race tees.
Mudfest in Deansboro NY offers a timed 5 mile, untimed 5k heats, and a kids mile over muddy hills and obstacles, with parking donations supporting local fire and EMS.
Trail trail race in Johnson City, TX offering 5K, 10K, half marathon and marathon on single-track trails with music and a post-race dip.