United States
- Alabama 58
- Alaska 15
- Arizona 106
- Arkansas 43
- California 351
- Colorado 133
- Connecticut 41
- Delaware 15
- District of Columbia 14
- Florida 174
- Georgia 92
- Hawaii 9
- Idaho 13
- Illinois 67
- Indiana 65
- Iowa 27
- Kansas 33
- Kentucky 69
- Louisiana 32
- Maine 22
- Maryland 69
- Massachusetts 50
- Michigan 100
- Minnesota 44
- Mississippi 14
- Missouri 63
- Montana 40
- Nebraska 24
- Nevada 25
- New Hampshire 24
- New Jersey 70
- New Mexico 25
- New York 135
- North Carolina 155
- North Dakota 2
- Ohio 86
- Oklahoma 46
- Oregon 74
- Pennsylvania 158
- Puerto Rico 1
- Rhode Island 9
- South Carolina 66
- South Dakota 6
- Tennessee 68
- Texas 235
- Utah 64
- Vermont 20
- Virginia 144
- Washington 132
- West Virginia 28
- Wisconsin 63
- Wyoming 5
Trail Running Calendar United States 2026-2027
Explore the best trail runs in the United States for 2026-2027! Our updated list features 3877 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
Trail marathon and half marathon near Fort Collins featuring redstone singletrack, significant elevation change, fully stocked aid stations, and a finish line meal.
A 6 or 12 hour trail run or hike along Ȟaȟá Wakpádaŋ (Bassett Creek) at Theodore Wirth Park offering individual, relay, fun run, and kids loop options.
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 run in Whiskeytown National Recreation Area on October 17, 2026 offering 9 mile, 21 mile and 32.5 mile courses with aid stations; proceeds support trail maintenance.
Trail race at Bear Creek Lake Park with 5 miles and 10 miles on single track dirt trails, park admission, post run party and food; 10 mile finishers receive a finisher 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.
Trail races at Lake Sonoma on October 17–18 2026 offering 100, 50, marathon, half and relay options with significant elevation and staffed aid stations.
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.
Fall trail race in Columbia, MO with 25K and 50K single-track loops, aid stations, chip timing, cup-free rules, and an 8-hour limit.
A 100 mile and 100K trail race in Uwharrie National Forest on a technical 20.5 mile figure 8 loop with a 36 hour cutoff and a 150 runner limit.
Trail event at Big Hill Pond State Park offering 50K and 25K courses with single track, a fire tower challenge coin, and strict time cutoffs.
A multi format trail event on the Granite Town Rail Trail in Brookline and Milford NH on October 17 and 18 2026, featuring 7.5 mile relays, 15 mile and 30 mile races and a 30 hour ultramarathon. Proceeds support local trail conservation.
Trail races in the Tillamook Forest featuring a steep technical 25K, a modified 50K along the Wilson River, and a new 11 mile point to point.
Trail weekend in Duluth, MN featuring 100K and 50K ultramarathons plus a half marathon and 10K along the Superior Hiking Trail.
Trail races of 5k, 10k and a half marathon at Laurel Hill Park with chip timing, finisher coin, technical shirt, a virtual option, and multiple water stations.
A Halloween-themed 5K on the Lehigh Valley Trail in Mendon, NY with in-person and virtual options, a costume contest, prizes, and a post race brew.
A Halloween themed 5K trail run and 1 mile zombie walk at Ann & Chuck Dever Regional Park on October 17, 2026 supporting the Zoomers scholarship fund.
A 13.6 mile trail half marathon with two and three person relay options that crosses Lake Barkley and Kentucky Lake via the Central Hardwoods Scenic Trail.