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 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 roughly 10K trail race in Squaxin Park with start and finish at Reeves Middle School, holiday-themed aid, finisher medals, and a tree planted per finisher.
Trail races through redwood groves in Sanborn Regional Park on December 12, 2026 with 5K, 10K and half marathon options, chip timing and finisher medals.
A trail running event on December 12, 2026 at Montgomery Bell State Park offering 50K, 25K and 15K races with cupless aid stations and wooden awards.
Trail loop event at Holmdel Park with roughly 50 km and halfish options over repeated 4.5 mile laps; proceeds benefit MissionCleanWater.
A roughly 5-mile trail race in Lenoir on 12/12/2026 featuring single-track, gravel and short hardtop sections, part of the Foothills Run Series, with early packet pickup, post-race s'mores and awards including Dirty Santa gift selection.
A multi-distance trail event at Ray Roberts Lake State Park featuring rooty single track, a 15 Mile/25K loop with about 900 feet of gain, aid stations, and a 25K RUCK.
The 50th Annual Sandy Claws Beach Run at Siesta Beach features a chip-timed 5K, a 1-mile fun run and a virtual 5K, with finisher medals, age-group awards, music, food and a holiday costume contest.
Celebrate the twentieth anniversary of this unique cross country race held at the Mount Hood Golf Club. Choose between a competitive three and a half mile run or a festive two mile walk through hilly terrain.
Celebrate the holidays at Oyster Creek Park with race distances for all participants including a 5K, 10K, and 15K. Enjoy festive swag, finisher medals, and holiday treats at this family friendly event in Sugar Land.
A coastal ultramarathon on 12/12/2026 in Pensacola tracing the Gulf shore between Big Lagoon State Park and Fort Morgan. Options include 50 Mile and 50K distances with solo and relay formats.
Trail races at Daley Ranch near Escondido with 10 Mile, 10K and 5K courses on single track and dirt roads; the 10 Mile reaches Stanley Peak for a 360 degree view and the event limits entries to 300 runners.
Frozen Trail Run Fest at Howard Buford Park in Eugene features looped trail races from 5K to 50K with creek crossings, gravel sections, significant climbing, and staffed aid stations.
Outlast San Antonio is a 6 hour trail challenge where participants run a 5K each hour and aim to complete six laps for a premium medal. Finishers are ranked on a national leaderboard with cash prizes for top performers.
Santa Claus Run in Louisville, Colorado on December 12, 2026 features a new half marathon plus 5k, 10k and kids races. The event includes an on-site expo, participant neck buffs, a finisher snow globe, food and a visit from Santa.
A VHTRC holiday time 50k out and back on the Bull Run-Occoquan Trail from Hemlock Overlook to Fountainhead, with four aid stations and a GPX file for navigation. Entry includes lodge access, stocked aid stations, and a catered after party for $20.
Trail event on December 12, 2026 at Pocahontas State Park offering 5K, 10K, half marathon and virtual entries on the Bright Hope Trail.
Trail event in Lutz FL on December 12 2026 offering a new half marathon, relay options, a 4 miler, and a youth 4 mile.
A 7.8 mile trail run through Pere Marquette State Park in Grafton, IL on 12/12/2026 with packet pickup, pre race coffee and post race awards held in the park lodge. The event is planned to run in most weather conditions.
A sold out 5K and virtual 5K at the Florida Conservation and Technology Center in Apollo Beach supporting manatee conservation, with proceeds donated to the Florida Fish and Wildlife Conservation Commission.