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
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.
A trail ultramarathon in Uwharrie National Forest using a 20.5-mile figure 8 loop, offering 100M and 100K distances with a 150-runner limit.
A trail event at Big Hill Pond State Park on Oct 17, 2026 offering 50K and 25K courses, a fire tower challenge, multiple aid stations, and strict time cutoffs.
Trail event in Brookline, NH with multiple races on the Granite Town Rail Trail and proceeds supporting local conservation.
Elk-Kings is a Tillamook Forest trail race series based at Smith Homestead offering a technical 25K summiting Elk and Kings, a 50K along the Wilson River Trail, and a new 11 mile point to point through river-side forest.
Multi-day trail event in Duluth, MN featuring 100K, 50K, half marathon and 10K on the Superior Hiking Trail with Lake Superior views.
Event at Laurel Hill Park on October 17, 2026 offering 5K, 10K, half marathon and virtual options; walkers welcome and tiered registration fees.
A spooky themed 3.1 mile run in Mendon, New York on the Lehigh Valley Trail with a costume contest, awards, a post race party at the Cottage Hotel Restaurant, and a virtual entry option; proceeds support David's Refuge.
A Halloween themed trail event in Englewood on October 17, 2026 featuring a 5K run and a 1 mile walk, costume awards, finisher medals, post-race refreshments, and proceeds supporting the Zoomers Scholarship Fund.
Experience a 22 km trail run crossing both the Lake Barkley and Kentucky Lake bridges. Participants can run the full course individually or join a two or three person relay team through the Land Between the Lakes Recreation area.
Trail races at H.W. Lewis Ranch in Leakey TX on rugged rocky, dirt, and grass ATV trails, with multiple distances including a 50K featuring substantial elevation gain.
A 100-mile ultra in Hickory using a 4-mile mixed-surface loop, open to solo runners and teams of 2 to 10, featuring about 70% trail, over 15,500 feet of elevation, and marked signage for night running.
Mountain up-and-down race at Cranmore Mountain in North Conway offering 10 km and 5 km options, USATF sanctioned and $7,500 in prize money for 2026.
Trail running festival at Yellowwood State Forest on Oct 17, 2026, featuring 8M, half, marathon, 50K and a 2–4 person 50K relay with camping and course GPX files.
Run through the historic site of the 1848 gold discovery in California. This event features multiple trail distances from a 5K to a Half Marathon on scenic singletrack paths along the American River.
Trail-loop half marathon and 10K in the Alabama Hills with chip timing, aid stations, finisher mug and shirt, and fundraising for the John Wayne Cancer Foundation.
Rootrock Trail Run at Briar Chapel features 5K, 10K and Half Marathon single track courses with varied technical terrain, on-course aid, chip timing, post-race food, and finisher medals.
Trail running in Cave Creek Regional Park and on the Maricopa Trail with 50K, 24K, 11K and 5K options, aid stations, chip timing and live split tracking.
A low cost trail ultra near Crystal Springs on a one mile loop with camping, an on site aid station, and self reported results.
A 3.5 mile trail run and walk on the scenic, flat Mill Pond Trail at Woodtick Recreation in Wolcott CT on October 17, 2026. Tiered online registration is available and a post-event meal is included with registration.