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 70
- 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 111
- 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 3937 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
Timed 6, 12 and 24 hour runs plus a virtual option on a certified 800 m paved loop at Grapevine Lake, with on-course aid stations, free camping, participant medals, and timing provided by a professional timing company.
Trail races at South Mountain Reservation feature 5K, 10K and 13.1 miles on looped courses over fire roads, single track, hills and pavement, with aid about every three miles and race day registration available.
A trail running event in Wildwood, MO offering marathon, half marathon and 10K courses with cup free aid stations and an emphasis on sustainability.
A December trail event on the High Bridge Trail offering 100k, 50k and a half marathon with aid stations, drop-bag service, pacer rules, event apparel and holiday-themed awards and traditions.
Course preview at Colt Creek State Park in Lakeland, FL with a marked 16.8 mile loop, water stations, and primitive group camping the night before.
A December trail race at Broemmelsiek Park offering 5 and 10 mile options with post-race music, beer for 21+, snacks and a bonfire.
A chip-timed 5K run/walk at Congaree and Penn farm in Jacksonville FL on December 5, 2026. Entry includes T-shirt, collapsible cider cup, finisher medal, chip-timed bib, donut and a pour of cider; participants must be 21 plus.
A seasonal beach run and fundraiser on December 5, 2026 at Fort Macon Park in Atlantic Beach, NC, featuring a main beach run, a 50-yard Reindeer Fun Run for children, and a student run; race packages include a Santa hat, beard, T-shirt, and medal.
A backyard ultra at Amicalola Falls where runners repeat a roughly 3.6 mile loop each hour until one remains, with cash prizes and achievement awards.
A post season cross country meet in Huntsville on December 5, 2026 featuring seeded 5K championship races for grades 7 to 12, an open 5K, and a 2 Mile youth race for 1st to 8th graders. Entry fee is listed as $35.
A trail marathon on the Lake Ouachita Vista Trail near Mount Ida on December 5, 2026. Full and half options available, six aid stations, no entry fee, and the half finishes at Hickory Nut Mountain with a shuttle.
Trail-based endurance in Granbury with hourly 5K laps over 6, 12, or 24 hours; finishers earn patches, medals, a buckle and national ranking.
A 24 hour timed running event on the historic Roanoke Canal Trail in Weldon, North Carolina, with medals for finishers and a special buckle for 100 mile competitors.
A 5K Run/Walk and a half mile kids run through Zoar village's Christmas decorations with trail sections, refreshments, shirts, and locally handcrafted medals.
A 2 mile holiday-themed trail race at Hydaway Outdoor Center in Lynchburg, part of the Liberty Mountain Trail Series, with post-race cookies, cocoa, awards, and a registration fee of $25.
Limited to 40 runners on the Thumb Open Space trail in Estes Park, participants repeat 2 km laps with 540 ft gain and collect poker chips to record ascents.
A volunteer run fun run and walk on Del Mar beach on December 5th 2026 offering 3K and 5K routes and raising funds for Semper Fi & America’s Fund and San Dieguito River Park.
Nighttime uphill race on Aspen Mountain with a 3,267 foot ascent, fundraising for organ, eye, and tissue donation, plus dinner, music, and awards.
December 5, 2026 trail event near Fayetteville AR featuring a 3.14 mile Last Man Standing Infinity Loop, a 5k and a family 1k supporting Mitchell's Mountain nonprofit.
Experience the beauty of Fountainhead Regional Park on a course featuring hiking trails and dirt roads. With two distance options and a dedicated program for kids, this event offers a complete day of trail running near the Occoquan Reservoir.