United States
- Alabama 55
- Alaska 26
- Arizona 98
- Arkansas 44
- California 332
- Colorado 136
- Connecticut 35
- Delaware 11
- District of Columbia 13
- Florida 159
- Georgia 93
- Hawaii 6
- Idaho 13
- Illinois 72
- Indiana 55
- Iowa 26
- Kansas 29
- Kentucky 59
- Louisiana 32
- Maine 24
- Maryland 62
- Massachusetts 36
- Michigan 101
- Minnesota 41
- Mississippi 13
- Missouri 55
- Montana 46
- Nebraska 20
- Nevada 26
- New Hampshire 24
- New Jersey 61
- New Mexico 21
- New York 129
- North Carolina 151
- North Dakota 1
- Ohio 78
- Oklahoma 50
- Oregon 78
- Pennsylvania 142
- Puerto Rico
- Rhode Island 9
- South Carolina 69
- South Dakota 8
- Tennessee 59
- Texas 239
- Utah 69
- Vermont 21
- Virginia 133
- Washington 127
- West Virginia 27
- 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 3750 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
Experience a festive 5K trail run through Baldwin featuring bonfires and s’mores with costumes highly encouraged for all participants.
Community trail tune up in Park City with 3 and 5 mile options, gear demos, giveaways, and sponsored dinner and drinks.
Multi-distance looped trail event at Wilson State Park near Sylvan Grove, KS featuring 10k to 140 mile options, marked single-track, aid stations, a team relay, and a Halloween costume contest.
A last‑runner‑standing backyard ultra at Prehistoric Trackways National Monument featuring hourly 4.167 mile laps, on‑site aid, camping, and awards.
Nighttime 5K and 2K run and walk at Lake County Fairgrounds in Crown Point with costume prizes, awards, finisher medals for the first 300, and market entry.
A self-supported 135 mile trail race in Griffin GA run as ten 13.5 mile loops with a 48 hour cutoff, strict no crew rule, and a 25 runner limit for 2026.
24 hour individual and team relay on a 1.35 mile loop at Mint Hill Park, NC, with an aid station, parking, and awards for 100K and 100 mile finishers.
A Halloween 5K on the Dryden Rail Trail with costumes, a finisher cone from Dryden Creamery, and a five-category costume contest.
Celebrate Halloween with a nighttime 5K trail race through the woods of Salisbury featuring a decorated course and costume awards.
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.
Introductory trail run and walk at Fort Ord National Monument with a 6.5 mile loop, a 2 to 3 mile family friendly walk, on site snacks and post event burritos.
An evening 5K and kids’ half mile candy run at Ohio Christian University with costume contests, candy stations, F.A.T. timing for the 5K, and proceeds supporting the OCU teams.
Obstacle course weekend at Sunflower Valley Farm in New Hampton NY with Sprint, Super and Kids races plus an obstacle workshop and Hurricane Heat formats.
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 in the Columbia River Gorge from Marine Park, Cascade Locks, offering a point to point 25K and a 50K lollipop route on October 31, 2026.