United States
- Alabama 55
- Alaska 15
- Arizona 108
- Arkansas 44
- California 356
- Colorado 131
- Connecticut 40
- Delaware 16
- District of Columbia 15
- Florida 175
- Georgia 97
- Hawaii 9
- Idaho 14
- Illinois 70
- Indiana 71
- Iowa 31
- Kansas 36
- Kentucky 71
- Louisiana 30
- Maine 26
- Maryland 71
- Massachusetts 61
- Michigan 103
- Minnesota 48
- Mississippi 15
- Missouri 65
- Montana 34
- Nebraska 21
- Nevada 27
- New Hampshire 30
- New Jersey 73
- New Mexico 29
- New York 143
- North Carolina 164
- North Dakota 2
- Ohio 91
- Oklahoma 44
- Oregon 83
- Pennsylvania 183
- Puerto Rico
- Rhode Island 8
- South Carolina 68
- South Dakota 6
- Tennessee 73
- Texas 242
- Utah 66
- Vermont 20
- Virginia 145
- Washington 124
- West Virginia 30
- Wisconsin 67
- Wyoming 7
Trail Running Calendar United States 2026-2027
Explore the best trail runs in the United States for 2026-2027! Our updated list features 4012 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!
May 2027
Community run and walk at Pinto Lake County Park on May 9, 2027, offering 1k, 5k, and 10k distances to benefit Pajaro Valley Shelter Services.
A Mother’s Day running event in Georgetown with scenic flat 5 km and 10 km courses along the C&O Canal, chip timing, awards, series points, and a virtual option.
A community running event at Southside Lions Park with multiple race distances, live music, awards, and a free hot dog and beverage at the finish.
A multi day running event at Sussex County Fairgrounds featuring timed races and standard distances on a certified one mile loop with MyLaps timing lit night running aid stations and on site camping and RV options.
A multi-day trail ultra at a Los Olivos ranch with options from 10 miles to 200 miles, camping, aid stations, lap counting, and limited entries.
Trail races in Rothrock State Forest near State College, PA, held in mid May 2027 with two spring distance options of about 53 km and 27 km.
Three out and back desert ultras in Kanab Utah from 14 to 16 May 2027, including a 115 mile course across sand dunes, canyons and plateaus with extended cutoff times.
A 103.54 mile trail ultramarathon near Blue Ridge, GA with technical single track, 20 aid stations and 33,000 feet of ascent and descent.
Timed running events at Willow Creek State Recreation Area with 48 hour, 24 hour, 12 hour, 6 hour and 3 hour races on a 4 mile loop.
An all-terrain 3-mile 5K at Fort Wayne Zoo with mixed surfaces, animal-themed sections, a race shirt, bib, medal and Saturday zoo reentry for participants.
Point to point 123 mile ultramarathon across Connecticut from East Thompson to Southport with solo and relay options, 36 hour cutoff and mixed trail and road course.
Obstacle course weekend at Reveille Peak Ranch near Burnet TX featuring Sprint and Super races, kids races, a 12-hour Hurricane Heat, and spectator access.
The Bear Crawl OCR is a locally operated obstacle course event in Morganton, North Carolina, held at a motocross training facility. It offers one- to six-mile courses with rolling terrain, a dirt bike track, creek and pond crossings, and several obst..
Test your strategy and endurance in a two hour adventure race featuring eighteen unique challenges like ziplining and climbing across a five hundred acre Kentucky farm.
Family Color Run plus a 5K trail run and 5K trail walk at Camp Mountain Laurel in Hamden on May 15, 2027, with pre-registration benefits and on-site registration.
Obstacle course weekend at Big Bear Mountain Resort with Sprint, Super, Beast, kids races, high-elevation terrain and an opportunity to earn a Trifecta in one weekend.
A multi-distance trail event at Possum Kingdom Lake with varied terrain, looped courses up to 69 miles, cupless aid stations, and distance-specific awards including a buckle for the 69 mile finishers.
At John Hunt Park in Huntsville a free, capped event offers multiple timed formats including a 24 hour option. Runners use a rubberized 1.7 mile loop with aid stations, food trucks, overnight camping, chip timing, and awards.
Trail runs at Skyline Wilderness Park in Napa on May 15, 2027 with 10K, 21K, 30K, and 50K courses, aid stations, and a strict cupless policy.
Trail races at O'Neill Regional Park in Trabuco Canyon on May 15, 2027 offering distances from 10K to 50K over shaded singletrack and fire roads.