United States
- Alabama 55
- Alaska 15
- Arizona 109
- Arkansas 44
- California 352
- Colorado 130
- Connecticut 38
- Delaware 16
- District of Columbia 14
- Florida 174
- Georgia 97
- Hawaii 9
- Idaho 12
- Illinois 68
- Indiana 71
- Iowa 30
- Kansas 35
- Kentucky 69
- Louisiana 29
- Maine 25
- Maryland 71
- Massachusetts 55
- Michigan 110
- Minnesota 48
- Mississippi 15
- Missouri 64
- Montana 33
- Nebraska 21
- Nevada 27
- New Hampshire 29
- New Jersey 73
- New Mexico 28
- New York 135
- North Carolina 164
- North Dakota 2
- Ohio 89
- Oklahoma 44
- Oregon 79
- Pennsylvania 174
- Puerto Rico
- Rhode Island 8
- South Carolina 68
- South Dakota 6
- Tennessee 72
- Texas 242
- Utah 68
- Vermont 20
- Virginia 141
- Washington 121
- West Virginia 29
- Wisconsin 66
- 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 3963 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
Central Florida Spartan Trifecta Weekend at Skipper Ranch features Sprint, Super and Beast obstacle races across farmland, marsh and mud near Sebring, Florida.
Naked Nick is a low-fee winter trail run at Blue Marsh Lake offering 25K and 50K on rolling single-track and gravel. Aid every 3 to 4 miles, manual timing, and a traditional German-style finisher memento.
Overnight loop race at Lakewood Nature Preserve offering 10K to 50 mile distances on a 1.5 mile loop with a strict 25 minute lap schedule.
Experience a trail race through Little Mulberry Park featuring significant vertical gains and scenic views. Enjoy post race pancakes and coffee after tackling the 5K or 10 Mile course.
A grass cross-country 5K at Lakewood Nature Preserve with two 1.5 mile loops, a tacky sweater contest offering cash prizes, chip timing, and post-race photos.
Experience an exclusive trail run through the scenic Roosevelt Forest in Stratford. This 5K event features a natural off-road course limited to a small group of participants and includes custom finisher medallions.
A holiday run in downtown Dunedin on December 19, 2026 featuring 5K 10K and 15K routes on the Pinellas Trail with electronic timing finisher medals shirts and a post race beer option for those 21 and over.
A night trail run at Zindel Park in McElhattan, PA offering a mostly runnable 7 mile course and a 5K; headlamps required and registration is limited to 250 entrants.
Frozen Yeti at Monte Sano State Park is the first race of a winter trail series offering 5 mile and 10 mile courses, aid stations and a 400 runner cap.
Invitation or qualification only 24 hour and 100 mile track events at Camelback High School in Phoenix, with chip timing, aid station support, and performance-based prize money.
A trail half marathon of about 13.5 miles at John Bryan State Park in Yellow Springs, Ohio. ORRRC members run free; non-members ages 15+ pay $10. The race uses timing chips, aid stations, and relies on volunteer support.
A holiday-themed running event on 12/19/2026 at Orchard Bend Park with in-person and virtual 5K options plus a free 1K kids run, supporting The Nashville Food Project.
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.
Timed elimination race in Molena GA with 3.85 mile loops, 70 minutes per lap, up to eight loops and prizes awarded after each completed loop.
A multi-distance trail event at Griffith Park on December 19, 2026 offering 5k, 10k, 15k and a half marathon with aid station, medals, photos and group discounts.
A three-race winter trail series at Galisteo Basin Preserve with in-person and virtual options, multiple distances, chip timing and proceeds supporting Commonweal Conservancy.
Looped 4.17 mile event in Lake Wailes Park with 12 hour, 6 hour, one-lap and team relay options on December 19, 2026.
A trail running event in St. Joseph, MO on December 19, 2026 offering 50k, 25k, and 10k on marked bluffs and park trails.
Trail running in Woodside, CA with 10K, half, 35K and 50K courses through redwoods and varied single track terrain.