United States
- Alabama 56
- Alaska 15
- Arizona 109
- Arkansas 44
- California 355
- Colorado 131
- Connecticut 39
- Delaware 16
- District of Columbia 14
- Florida 175
- Georgia 97
- Hawaii 9
- Idaho 12
- Illinois 69
- Indiana 71
- Iowa 31
- Kansas 35
- Kentucky 71
- Louisiana 32
- Maine 26
- Maryland 72
- Massachusetts 55
- Michigan 112
- Minnesota 48
- Mississippi 15
- Missouri 64
- Montana 37
- Nebraska 26
- Nevada 28
- New Hampshire 29
- New Jersey 74
- New Mexico 27
- New York 139
- North Carolina 166
- North Dakota 2
- Ohio 94
- Oklahoma 46
- Oregon 81
- Pennsylvania 175
- Puerto Rico
- Rhode Island 8
- South Carolina 68
- South Dakota 7
- Tennessee 72
- Texas 243
- Utah 70
- Vermont 22
- Virginia 141
- Washington 131
- West Virginia 31
- Wisconsin 69
- 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 4035 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 last runner standing backyard ultra on October 30, 2026 at Prehistoric Trackways National Monument in Las Cruces with hourly 4.167 mile laps, aid, camping, and awards.
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 miles ten loop trail race near Griffin GA with over 20,000 feet of vertical, a 48 hour cutoff, strict no crew rules, and limited to 25 runners.
A 24 hour individual and team relay at Mint Hill Park featuring a 1.35 mile loop, on-course aid, and awards for 100K and 100+ mile finishers.
Out-and-back run from Dryden Creamery along the Dryden Rail Trail with a turnaround at the Spooky Cone, timed results and multiple costume and running awards.
Nighttime Halloween themed trail 5K at Pemberton Historical Park in Salisbury, MD, with single track, sandy and root covered trails, costume prizes and chip timing.
Night Serpent 5K is a nighttime trail event in Eads, Tennessee offering a family-friendly 5K and a full haunted 5K with moving creatures.
A wooded trail 5K and 1-mile fun run in Montgomery with treats on the course, concessions, music, and a costume contest; proceeds support Eastwood Christian School.
A Halloween track event at West Chester University with a 30 minute candy scramble, on track candy stations and a costume contest with prizes.
Obstacle course weekend in New Hampton NY featuring Sprint 5 km, Super 10 km, kids races, workshops, and Hurricane Heat endurance events.
Trail races at Caspers Wilderness Park near San Juan Capistrano offering 10K, half, 35K, marathon and 50K on well marked singletrack and fire roads.
An evening Halloween 5K in Clermont on October 31, 2026, with spook zones, a costume contest, a DJ, a kids' trick-or-treat trail, and a virtual 5K option.
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 the Columbia River Gorge on October 31 2026 with 50K and 25K courses finishing at Marine Park in Cascade Locks Oregon.
Trail ultramarathon weekend in Lagrangeville with 100k, 50k and 10k looped courses, UTMB Index status and continuous on-course aid.
A 13.1 mile trail race through the Highlands Ranch Backcountry Wilderness in Douglas County with cash prizes and participant race amenities including a shirt, medal, and pancake breakfast.
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 cross country team meet in Billings featuring separate men’s and women’s 5K races across age categories and a traveling trophy for the winning team.
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.