United States
- Alabama 56
- Alaska 15
- Arizona 109
- Arkansas 44
- California 355
- Colorado 131
- Connecticut 39
- Delaware 16
- District of Columbia 14
- Florida 175
- Georgia 97
- Hawaii 9
- Idaho 12
- Illinois 69
- Indiana 71
- Iowa 31
- Kansas 35
- Kentucky 71
- Louisiana 32
- Maine 26
- Maryland 72
- Massachusetts 55
- Michigan 112
- Minnesota 48
- Mississippi 15
- Missouri 64
- Montana 37
- Nebraska 26
- Nevada 28
- New Hampshire 29
- New Jersey 74
- New Mexico 27
- New York 139
- North Carolina 166
- North Dakota 2
- Ohio 94
- Oklahoma 46
- Oregon 81
- Pennsylvania 175
- Puerto Rico
- Rhode Island 8
- South Carolina 68
- South Dakota 7
- Tennessee 72
- Texas 243
- Utah 70
- Vermont 22
- Virginia 141
- Washington 131
- West Virginia 31
- Wisconsin 69
- 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 4035 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!
October 2026
A community run at Emmons Preserve in Kennebunkport featuring 5K, 10K trail and a kids fun run with medals, music, family activities and a raffle.
Trail races of 5K, 10K and half marathon at French Shelter Park on October 31, featuring themed costumes, finisher medals and series points.
Trail races at Brown's Woods in West Des Moines offering 5K, 10K and 15K on single and double track dirt, with proceeds supporting local trail organizations.
Trail races and a family Halloween Hike at Oak Mountain State Park on Oct 31, 2026, part of the XTERRA Trail Run World Series with marathon and half marathon qualifying slots.
A technical trail race at Moreau Lake State Park covering about 14 miles and 2700 feet of gain on marked singletrack with one aid station.
Experience a unique map adventure through the decorated streets of East Sacramento. Choose a 5k or 10k course and solve checkpoint challenges solo or in a team of up to five people.
A 3.6 mile trail loop at Coastal Peak Park with about 585 ft gain per loop through coastal sage scrub and riparian canyons; part of the Southern California UltraRunner Grand Prix Series.
A multi-distance trail event at LLELA in Lewisville, Texas featuring distances from a 1 mile youth run to a 100K ultramarathon, held October 31 to November 1, 2026, supporting local habitat restoration.
A single-loop night 31 km on the Javelina course in McDowell Mountain Regional Park with four aid stations, costume emphasis, and recommended headlamp and glow gear.
Trail races at Cameron Park in Waco with 5K, 15K and a virtual 5K; the 15K has a 3.5 hour course time limit.
Trail ultrarun in the Southern Kettle Moraine Forest with 100k and 50k options, on-course aid stations, and on-site branded wooden finisher medals.
Local road races in Bowling Green, KY on October 31, 2026 offering 5K, 10K and a half marathon with finisher medals and posted results. EMS is not on site and water stations are limited.
Trail races in Almaden Quicksilver Park from 5K to 50K over hilly dirt roads and single-track, with two staffed aid stations, drop-bag service for longer distances, and a finisher medal for all participants.
A 25 hour timed trail run at Camp Grier in Old Fort NC on October 31, 2026, on a 3.6 mile loop with aid stations, free tent camping, and milestone awards.
10K trail race in Port Gamble, WA on Oct 31, 2026, about 600 ft climbing; costume contest, chip timing, entries limited to 100.
Trail races at Cougar Mountain Regional Wildland Park near Seattle offering 5k, 7.6 mile, 19.5 mile and 50k courses through forested single track, rolling hills and marshes. Proceeds support King County Parks.
Trail races at Navajo Mountain High School featuring a 50K, 10-mile and 5K over dirt roads and trails, marked aid stations, awards, an afternoon community cook-out and rustic camping on school grounds.
Halloween ranch run in Sisters, Oregon on Oct 31 with chip timing, 5k and 5 mile courses, a costume contest, kids dash, race swag and a finish line party.
Multi-day mountain bike and trail running event at Coldwater Mountain in Anniston, AL, featuring 40- and 17-mile MTB races and 50K and 25K trail runs, October 30 to November 1, 2026.
An ultra-distance timed event at Gray's Lake in Des Moines with 6, 12 and 24 hour races on a USATF certified 1.905 mile loop. Results use an age and sex equalizer to determine overall awards.