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
Trail races on Lookout Mountain, GA on Dec 19, 2026 featuring 50 mile, 18 mile and 10K courses through bluffs, creeks and Lula Lake Land Trust.
A winter trail series in Rockwoods Reservation with six routes from 4 miles to a half marathon, finisher medals, chip timing, and free course 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.
Santa's Holiday Hustle in Camas on December 19, 2026 features a 5k run/walk and a Dirty Santa 10k trail race with post race treats and a beanie giveaway.
A December trail event at Pilot Mountain State Park in Pinnacle, NC offering 3 mile and 7 mile routes that both finish at the summit.
A trail endurance challenge in Dripping Springs where runners complete a 5K every hour for six or twelve rounds, earning patches, medals, and leaderboard ranking.
Trail races at Tyler State Park offering 10K to 100K plus a 10K ruck on rooty single track loops with aid stations and required carried water.
A multiple lap trail event at Mt Walker trailhead in Quilcene, Washington, featuring a 4 miles round trip course and about 2,100 ft elevation gain per lap.
Celebrate the season with a festive 10K featuring 1,500 feet of climbing and beautiful trail views at the YMCA of the Rockies.
Community charity run in Phoenix offering a chip timed 5K with medals for all finishers and a live kids 1 mile plus a virtual 5K option.
Yellowstone Rim Runners' winter series uses staggered, pace based starts and a points leaderboard across four races in Billings from December to April.
An unstructured day of running in downtown Winston Salem where participants set their own distance and use a central aid station from sunrise to sunset.
Trail marathon plus 16 mile and 8 mile loop races at Otter Creek Park in Brandenburg KY on Dec 19 2026 with aid stations, wooden medals, team scoring, and a chili cookoff.
A Last Runner Standing trail race in Jackson TN with repeated one hour loops of a 4.3 mile trail until one runner remains.
A holiday race at River Front Park with a Kids Dash, 1 mile, chip-timed 5K and 10K, a virtual option, medals, shirts and a costume contest.
A four race winter trail series around Rockford IL with distances from 3 to 12 miles, race swag, mailed awards, and a series option that includes a sweatshirt.
Open backyard ultramarathon at Miami Marine Stadium on December 19, 2026 with hourly 4.167 miles laps and a rule to finish each lap within the hour.
A trail endurance event at Eddie D Jones Park featuring an hourly loop format, a 12-hour continuous challenge, 40/50-mile options, and 50-mile team relays.
A winter event in Central Park, Center Junction on December 19, 2026 with a Candy Cane 800 m, a Polar Run 5K and a Reindeer Plunge into the lake.
Holiday races at McAllister Park in San Antonio featuring a Kids Dash, 1 mile, chip-timed 5K and 10K, a virtual option, awards, and a costume contest.