United States
- Alabama 47
- Alaska 22
- Arizona 101
- Arkansas 26
- California 341
- Colorado 138
- Connecticut 46
- Delaware 9
- District of Columbia 11
- Florida 133
- Georgia 107
- Hawaii 3
- Idaho 23
- Illinois 87
- Indiana 62
- Iowa 43
- Kansas 34
- Kentucky 43
- Louisiana 26
- Maine 33
- Maryland 60
- Massachusetts 53
- Michigan 115
- Minnesota 60
- Mississippi 16
- Missouri 72
- Montana 37
- Nebraska 16
- Nevada 31
- New Hampshire 45
- New Jersey 54
- New Mexico 27
- New York 157
- North Carolina 130
- North Dakota 1
- Ohio 110
- Oklahoma 28
- Oregon 71
- Pennsylvania 181
- Puerto Rico
- Rhode Island 11
- South Carolina 55
- South Dakota 11
- Tennessee 66
- Texas 177
- Utah 86
- Vermont 34
- Virginia 149
- Washington 109
- West Virginia 26
- Wisconsin 74
- Wyoming 15
Trail Running Calendar United States 2026-2027
Explore the best trail runs in the United States for 2026-2027! Our updated list features 3923 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
Obstacle course and mud run weekend at McCormick Farms near Spring Lake NC with Sprint, Super, Beast, Ultra and Kids races and a spectator option.
A Stadion 5K with 20 obstacles at Raymond James Stadium on May 1, 2027, plus a kids race and spectator access.
Two-day obstacle race weekend near Snohomish, Washington featuring Sprint and Super distances plus kids races on wooded trails.
Four races at Lake of the Ozarks State Park mixing trail running and paddling, with aid stations, awards, and required personal kayaks or paddle boards for paddle legs.
Trail races at Greenland Open Space near Larkspur offer four dirt-trail distances with looped courses, aid stations, timing, and awards.
An elimination loop race in Gentry AR where runners repeat a one mile loop with a 20 minute limit and the last runner to complete a loop wins the collected pot.
A 50K at Tuthill Park where runners complete a 0.31 mile loop 100 times with about 90 feet of climb per loop. Entry is by essay and all donations go to charities chosen by the winners.
A noncompetitive ascent challenge in Patterson, MO where hikers aim for eight climbs of Mudlick Mountain totaling about 23 miles and 7,980 feet of elevation.
Trail races at Grayson Highlands State Park on May 1 to 2, 2027 offering 50M, 50K, 25K and 8M courses with mountain views and wild ponies.
A spring trail half marathon near Herriman, Utah with single-track canyons, marked course, aid stations, free race photos, and a post-race Great Harvest Bread breakfast.
A road and trail running event in Garden of the Gods Park on May 1, 2027 offering 5K, 5 mile, and a 9.5 mile option with closed roads, multiple aid stations, and views of the park's iconic rock formations.
Trail races at Donald County Park include 5 km, 15 km and a Kids One Mile Fun Run across prairie, single-track, sand and bridges. Proceeds support Friends of Donald Park for trail maintenance and repair.
Trail races at Echo Bluffs and Current River state parks with distances from a 1 mile youth run to a full trail marathon, featuring single-track sections, bluff views, rolling hills, and a cupless format.
Trail races and a ruck at Queeny Park organized by Rockinator Racing. Multiple loop formats, chip timing, aid station service, finishers medals and podium awards by age group.
May 1, 2027 at St. Patrick's County Park near South Bend, Indiana. The event offers 10K, half marathon, marathon and 50K on marked trails with chip timing and packet pickup.
A 5K mud and obstacle run at Myers Park in McKinney on May 1 2027 with Adult and KIDZ Family waves; signed waiver required and adults must show photo ID.
A trail running festival at Mission Tejas State Park offering looped 100k, 50k, 30k, 10k and 5k courses on varied single track, full aid stations, cupless service, and on-site camping with a 500 runner cap.
A 6 mile road race across the New River Gorge near Fayetteville, WV, with an 800 foot descent and climb, a short trail finish, closed roads, chip timing, and a post-race brunch at Adventures on the Gorge.
Trail race in Placerita Canyon, Santa Clarita on May 1, 2027. Multiple distances from 1 mile to 60K, 6 and 12 hour categories, and team relays. Camping, cupless aid stations, and finisher medals are part of the event.
A single-day endurance walk at Greek Peak in Cortland NY on May 1 2027 offering 7, 14, 21, and 28 mile options with optional 10, 20 or 35 pound ruck weights and a 10 hour finish window. Trails include shaded singletrack and ridgeline views.