United States
- Alabama 46
- Alaska 17
- Arizona 99
- Arkansas 27
- California 339
- Colorado 133
- Connecticut 46
- Delaware 8
- District of Columbia 11
- Florida 134
- Georgia 104
- Hawaii 3
- Idaho 23
- Illinois 84
- Indiana 59
- Iowa 39
- Kansas 35
- Kentucky 42
- Louisiana 29
- Maine 32
- Maryland 60
- Massachusetts 50
- Michigan 109
- Minnesota 53
- Mississippi 16
- Missouri 69
- Montana 32
- Nebraska 18
- Nevada 31
- New Hampshire 43
- New Jersey 53
- New Mexico 28
- New York 153
- North Carolina 124
- North Dakota 1
- Ohio 108
- Oklahoma 28
- Oregon 68
- Pennsylvania 176
- Puerto Rico
- Rhode Island 11
- South Carolina 54
- South Dakota 12
- Tennessee 68
- Texas 180
- Utah 81
- Vermont 31
- Virginia 144
- Washington 108
- West Virginia 25
- Wisconsin 71
- Wyoming 12
Trail Running Calendar United States 2026-2027
Explore the best trail runs in the United States for 2026-2027! Our updated list features 3836 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!
October 2026
Deerfly Trail Race at Carvers Creek State Park features timed 11K and 6K courses plus canine-only events on October 17, 2026. The event is limited to 200 participants and includes year-six shirts, coins, and cash awards for course records.
A trail half marathon from Sandy Seep Trailhead up Mt. Elden and back, featuring a summit aid station, a strict 2 hour summit cutoff, and limited primitive parking.
A point to point mountain ultra in Cloudcroft, NM offering a 50K Sky Race and a 32K Cloud Run from desert floor into high forest.
Trail races in Palmer Park Colorado Springs offering 50K, 25K, 10K and 5K on marked single track with city and Pikes Peak views.
Last Man Standing team race on Oct 17, 2026 in Bell Buckle TN where athletes qualify via silver tickets or national At Large rankings for the World Backyard Ultra Team Championships.
A single-loop 100-mile forest service road run in the Ocoee, Tennessee area with around 11,254 ft of gain, remote crew-access rules, cupless aid stations, and pacers allowed from mile 50.8.
A trail running festival at Lums Pond State Park on October 17, 2026, offering 12K and 24K laps plus 12-hour solo and relay formats, chip timing, aid stations, event clothing, and post-race food.
Trail races in Sedona on Oct 17, 2026 featuring Marathon, 20 Mile, 10 Mile and 2.5 Mile courses on the Hi Line Trail with marked routes and aid stations.
Trail marathon and half near Fort Collins along redstone singletrack and technical rock sections, with stocked aid stations, drop bag options, and caps of 400 entries per distance.
A community trail event on October 17, 2026 at Theodore Wirth Park honoring Dakota land with 6- and 12-hour looped run/walks, a kids' Little Loopet, and community aid stations.
A night time 5K mud run in Oak Harbor with more than 20 obstacles and a lit, spooky course two weeks before Halloween. The event is not officially timed and donates 10 percent of proceeds to Ronald McDonald House Charities.
Participate in a 10 km run through the scenic Black Hill Regional Park in Boyds. This low key event offers a straightforward racing experience for both club members and the general public in a natural park setting.
Trail running event at Whiskeytown with 9 mile, 20.5 mile and 52K courses on singletrack and dirt roads; proceeds support trail maintenance.
Trail races at Bear Creek Lake Park offering 5 miles or a two-lap 10 miles on single-track dirt. Registration includes park admission, a finisher meal and refreshments; 10 mile finishers receive a commemorative mug.
Experience a point to point trail race in Northeast Connecticut on the Airline Trail. Choose between marathon, half marathon, and 10K distances with individual or relay team options to support local student education.
A 5K trail race on the Grant Park trails in Centerville with free entry for current ORRRC members and a ten dollar fee for non members 15 and older; timing chips, chip check in, and age group awards are provided.
A second-annual fall 5K hosted by Gleaning Housing at Coldstream Park / Legacy Trail in Lexington, KY, with pumpkins for donors and snacks and drinks for all participants. Participants may bring or wear a pumpkin costume.
Trail ultraraces of 25K and 50K at Rock Bridge State Park in Columbia MO with looped single track course, aid stations, chip timing and an eight hour limit.