United States
- Alabama 55
- Alaska 15
- Arizona 108
- Arkansas 44
- California 356
- Colorado 131
- Connecticut 40
- Delaware 16
- District of Columbia 15
- Florida 175
- Georgia 97
- Hawaii 9
- Idaho 14
- Illinois 70
- Indiana 71
- Iowa 31
- Kansas 36
- Kentucky 71
- Louisiana 30
- Maine 26
- Maryland 71
- Massachusetts 61
- Michigan 103
- Minnesota 48
- Mississippi 15
- Missouri 65
- Montana 34
- Nebraska 21
- Nevada 27
- New Hampshire 30
- New Jersey 73
- New Mexico 29
- New York 143
- North Carolina 164
- North Dakota 2
- Ohio 91
- Oklahoma 44
- Oregon 83
- Pennsylvania 183
- Puerto Rico
- Rhode Island 8
- South Carolina 68
- South Dakota 6
- Tennessee 73
- Texas 242
- Utah 66
- Vermont 20
- Virginia 145
- Washington 124
- West Virginia 30
- Wisconsin 67
- 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 4012 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 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.
A multi‑day series of Arizona point to point trail races including a 250 mile route from Black Canyon City to Flagstaff and shorter distances to Sedona and Prescott.
A 150-hour timed ultra in Mack, Colorado with five unpaved routes per journey, crewed and uncrewed divisions, and GPX navigation required.
Trail 50K and half marathon in Sisters, Oregon on May 2, 2027, starting and finishing at Village Green Park with finisher medals and aid stations staffed by the Ridgeview High School XC team.
Trail races at Wildlife Prairie Park in Hanna City, Illinois with 5K and 10K loop courses on maintenance trails and single track. Day park admission is included and the event features awards, post race snacks, and volunteer opportunities.
An eight-kilometer trail run at Lakeside Park in Piedmont SC with soft natural trails, singletrack sections, post-race pancakes, free photos, and a custom finisher medal.
Flat out and back half marathon and 10K on the limestone Great Western Trail with a 25 plus year history and proceeds supporting local mental health charities.
A multi-distance trail race at F.D. Roosevelt State Park on May 2, 2027, with 50K, 25K, and 10K options, awards, race swag, and a post-race cookout.
Looped trail races in Saint John’s Abbey Arboretum offering 10 mile, 20 mile, and 50 km distances with two aid stations per loop and a cupless policy.
A May 2, 2027 trail event at Addison Oaks County Park featuring a half marathon, a 5K and a ruck option with shirts, medals, aid stations and post-race food.
Trail race at Greenwood Furnace State Park on May 2, 2027, featuring a technical figure eight course with half marathon and 12K options.
A family friendly 5K in Everson featuring a 3.18 miles course with river crossings, a farm loop through Broad Leaf Farm, mixed trail surfaces, and chip timing.