United States
- Alabama 46
- Alaska 17
- Arizona 99
- Arkansas 27
- California 341
- Colorado 132
- Connecticut 46
- Delaware 8
- District of Columbia 11
- Florida 138
- Georgia 106
- Hawaii 3
- Idaho 23
- Illinois 85
- Indiana 59
- Iowa 41
- 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 154
- North Carolina 124
- North Dakota 1
- Ohio 108
- Oklahoma 28
- Oregon 68
- Pennsylvania 178
- Puerto Rico
- Rhode Island 11
- South Carolina 54
- South Dakota 12
- Tennessee 68
- Texas 180
- Utah 81
- Vermont 31
- Virginia 147
- 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 3840 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
A multi-distance ultramarathon at Lake Perris featuring 10, 20, 50, 100 and a demanding 200 mile race with looped courses, aid stations, camping and cash prizes for top finishers.
An evening team relay in Ten Trails where teams of one to three hunt and return six hidden ghosts in Civic Park; free registration, prizes for fast finish, best team name, and best costume.
A low-key series of Wednesday evening trail races in Portland's Forest Park with three five-race Series April to October, 4 to 7 mile hilly courses and Series standings.
Multi-distance ultraruns on rugged single-track at Wilson State Park with substantial elevation gain and looped 20 mile laps. The Pure Hell 140 requires a prior 100 mile finish and has a 52 hour cutoff.
A last-runner-standing backyard ultra at Prehistoric Trackways National Monument featuring hourly 4.167 mile loops, on-course aid, camping space, and a hoodie and medal for entrants.
A Halloween themed nighttime run and walk at Lake County Fairgrounds in Crown Point on October 30, 2026. The event features a 5K and a non timed shorter course, costume prizes, awards, and entry to the Hometown Hocus Pocus Market.
A self supported 135 mile trail race in Griffin GA over ten 13.5 mile loops with 20,000 ft of climbing, strict no crew rules and a 48 hour cutoff.
A 24 hour individual and team relay at Mint Hill Park with a 1.35 mile mixed surface loop, staffed aid station, crew areas, and distance awards for 100K and 100 miles.
A Spartan obstacle weekend at Sunflower Valley Farm in New Hampton, NY from Oct 31 to Nov 01 2026 featuring Sprint, Super, Kids races and Hurricane Heat options.
Trail races at Caspers Wilderness Park on October 31, 2026 offering 10k, half marathon, 35k, marathon and 50k routes with marked courses and event support.
A Halloween 5K in Clermont with haunted spook zones, a costume contest, and a live DJ. A virtual 5K option includes shirt, bib, medal and domestic shipping.
Charity bib entries reserve spots in the Javelina Jundred 100 Mile and 100K races at McDowell Mountain Regional Park with fundraising minimums of $4,000 and $3,000. The 100 Mile is a 2027 Western States qualifier and a Golden Ticket race.
Trail races through Columbia River Gorge scenery with 25K point to point and a 50K loop, finishing at Marine Park in Cascade Locks.
Looped trail races at Red Wing Recreation Area in Lagrangeville, NY offering 100k, 50k, and 10k courses with aid stations and finisher medals.
Celebrate Halloween with a trail race through San Jose Hellyer County Park. Choose from distances including 5K 10K Half Marathon and Marathon with costume prizes and certified courses.
A Halloween nighttime 5-mile out-and-back on the Ghosttown Trail in Vintondale, PA, held October 31, 2026. The closed-course event requires personal lighting, uses chip timing, includes one water stop, awards by age groups, and has a 1 hour 30 minute..
A team cross-country meet in the Billings region where Montana runners compete over a 5K course for a traveling trophy; age- and gender-based categories are offered and entry is listed at $30.
A point to point ultramarathon of about 101 miles on the Ozark Trail through the Mark Twain National Forest, featuring fixed trail markers, 13 aid stations, varied terrain and about 12,000 feet of elevation gain.
Holistic Hustle in Kennebunkport features a timed 5K, a trail 10K and a kids half mile fun run at Emmons Preserve on October 31, 2026. The community fundraiser includes music, family activities, finishers medals and a raffle.