United States
- Alabama 47
- Alaska 22
- Arizona 104
- Arkansas 27
- California 344
- Colorado 137
- Connecticut 46
- Delaware 9
- District of Columbia 11
- Florida 135
- Georgia 107
- Hawaii 3
- Idaho 25
- Illinois 87
- Indiana 62
- Iowa 43
- Kansas 34
- Kentucky 43
- Louisiana 29
- Maine 33
- Maryland 60
- Massachusetts 51
- Michigan 114
- Minnesota 58
- Mississippi 16
- Missouri 72
- Montana 37
- Nebraska 18
- Nevada 31
- New Hampshire 45
- New Jersey 54
- New Mexico 28
- New York 154
- North Carolina 129
- North Dakota 1
- Ohio 110
- Oklahoma 28
- Oregon 71
- Pennsylvania 179
- Puerto Rico
- Rhode Island 11
- South Carolina 56
- South Dakota 11
- Tennessee 69
- Texas 181
- Utah 86
- Vermont 34
- Virginia 149
- Washington 111
- West Virginia 25
- Wisconsin 73
- Wyoming 14
Trail Running Calendar United States 2026-2027
Explore the best trail runs in the United States for 2026-2027! Our updated list features 3935 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!
December 2026
A forest loop at Seward Park on December 19, 2026, offering 4.2-mile and 10k trail distances, an aid station, and a Glitter, Glamour, and the Galaxy costume contest as part of the Winter Trail Series.
An elimination style 50K in Molena GA with 3.85 mile loops, a 70 minute lap cutoff, prizes after each loop and Revolution Running membership benefits for registrants.
Holiday themed races at Griffith Park on December 19 2026 offering 5K, 10K, 15K and half marathon distances on a shared dirt trail.
A winter trail series in Santa Fe with races on the third Saturday of December, January and February. Entry fees support Commonweal Conservancy and a noncompetitive virtual option offers a finishers award.
A multi-format running event at Lake Wailes Park featuring 4.17 mile loops with 6 hour, 12 hour, single-loop and relay options plus aid stations and awards.
Trail event in St. Joseph with 50k, 25k and 10k options across marked river bluff trails and staffed aid stations.
Trail running in Woodside, CA with 10K, half, 35K and 50K courses through redwoods and varied single track terrain.
Trail races on Lookout Mountain offering 50 mile, 18 mile and 10K courses over single track with creek crossings, bluff views and staffed aid stations.
A winter trail series at Rockwoods Reservation near Glencoe, Missouri across three dates from Dec 19, 2026 to Feb 13, 2027. Events range from 4 miles and 8K up to a half marathon with finisher medals, shirts, chip timing and live tracking.
Invitation only no fee 100 mile endurance run in Enchanted Forest Nature Sanctuary, Titusville FL with 29 loops of a 3.46 mile trail and a 60 runner cap.
A community running event in Camas on December 19, 2026 offering a 5k and a 10K trail run with post-race cookies, cocoa and a giveaway beanie.
Trail races at Pilot Mountain State Park on December 19, 2026 with 3 mile and 7 mile courses, a 150 runner limit, shirts, awards, and packet pick-up.
Holiday race at McAllister Park with a Kids Dash, 1-mile, chip timed 5K and 10K, virtual option, costume contest, and finishers receiving a shirt and medal.
Holiday trail event in San Diego on Dec 20, 2026 offering marathon, half marathon, 10K and a 6 hour hill climb with costume awards.
A self-supported, point-to-point 50-mile road run around Charleston and nearby islands, limited to 75 entries with a small donation to cover a tracker.
A holiday themed event in Oakdale with a flat out and back 5K on the Panhandle trail and an untimed 1 mile fun walk. Awards include finisher medals, top overall and age group prizes, with holiday merchandise while supplies last.
Trail 5K and 10K around Burke Lake Park on December 24, 2026, with virtual options available and walkers welcome.
Trail event in Placerville on December 24, 2026 with multiple distances on the El Dorado Trail, course markings, aid stations, medals, and day-of registration.
Three winter trail races at Monte Sano State Park near Huntsville AL offering short and long distances, aid stations, a series shirt and finisher awards.
Trail 5k and virtual 5k at Huffaker Hills and Rattlesnake Mountain in Reno on December 26, 2026. Includes a long sleeve performance shirt, official timing, medical coverage, and supports the Azteca FC youth program.