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
A 28k trail run in Fremont Canyon at Irvine Regional Park featuring about 3800 feet of elevation change and four aid stations. The course runs on fire roads, is cupless, and participants are asked to carry personal hydration.
Experience an exclusive trail event at the Harry S. Frazier Scout Reservation featuring looping courses through Kentucky forest and a runner's village by John Barr Lake with distances from 5K up to 100 miles.
A multi-distance trail event at Calero County Park in San Jose featuring single-track, hills and varied terrain. Aid stations, drop-bag service for the 50K, free parking and support access at Rancho Cañada del Oro are provided.
Endurance trail races at Hitchcock Nature Center in Honey Creek IA offering 100 mile, 101k, 50 mile and half marathon distances on December 5-6, 2026.
A multi-distance running event at Point Mugu State Park in Malibu on December 5, 2026, offering 50-mile, 50K, and 30K options with listed entry prices.
Multi-distance looped trail event in Middleburg FL featuring a 7.2-mile course, cupless aid stations, campsite access, and cutoffs up to 38 hours.
Experience one of the fastest trail races in the world on the flat and smooth loops of Brazos Bend State Park. Choose from distances ranging from a kids 1K to a 100 mile Western States qualifier.
Experience a cross country style trail race through the Timber Pointe Nature Center at Lake Bloomington. Choose between 4K and 8K loops or a three hour endurance challenge while supporting local nature conservation.
A running event in Willis on 12/05/2026 featuring a Family 5K and a Last Man Standing race where runners repeat 5K laps and must complete each lap within 50 minutes until one runner remains.
A winter trail run at Redmond Watershed Preserve on December 5, 2026 offering 5 mile and half marathon distances. Wide groomed trails, shuttle parking, on course aid for the half marathon, and a Winter Wonderland costume contest.
Three 50 mile trail ultras on the Arizona National Scenic Trail make a season long challenge where each race must be finished within 15 hours. Finishers receive event swag and a custom garment, and certain groups are eligible for registration discoun..
A winter trail event at Governor Dodge State Park on Dec 5, 2026 offering 50K, 25K and 15K over horse trails, single and double track with multiple aid stations, cup-less hydration, and specific pacer and crewing rules for the 50K.
Trail races of 30K and 50K at Lake Norman State Park with single-track loops, aid stations, finisher medals, and a 9 hour cut-off.
Four monthly winter trail races in Dixon IL with 5K to 20K distances, series awards, and completion apparel.
Trail races of 50K, 30K and 10K in Ridgecrest, CA at Cerro Coso Community College organized by the Over The Hill Track Club.
A backyard ultra at a Texas ranch where runners complete a 4.1667 mile loop each hour until one person remains as the official finisher.
A trail 6K through Institute Woods with a non-competitive 3K option for paces over 15 minutes per mile. Registrations are limited to 200, a fee applies, and post-run refreshments are provided.
Trail races of 30K, half marathon and 10K at China Camp State Park near San Rafael, with chip timing, cupless aid stations, and bay and Mt. Tam views.
A volunteer run, donation based marathon and half in Millinocket, Maine with USATF certified courses that may qualify for major marathons.