United States
- Alabama 57
- Alaska 23
- Arizona 96
- Arkansas 44
- California 326
- Colorado 133
- Connecticut 36
- Delaware 11
- District of Columbia 13
- Florida 158
- Georgia 95
- Hawaii 6
- Idaho 13
- Illinois 70
- Indiana 56
- Iowa 25
- Kansas 27
- Kentucky 59
- Louisiana 31
- Maine 22
- Maryland 62
- Massachusetts 33
- Michigan 97
- Minnesota 41
- Mississippi 13
- Missouri 54
- Montana 43
- Nebraska 20
- Nevada 26
- New Hampshire 23
- New Jersey 61
- New Mexico 21
- New York 126
- North Carolina 147
- North Dakota 1
- Ohio 77
- Oklahoma 48
- Oregon 76
- Pennsylvania 140
- Puerto Rico
- Rhode Island 9
- South Carolina 63
- South Dakota 8
- Tennessee 59
- Texas 237
- Utah 67
- Vermont 20
- Virginia 131
- Washington 129
- West Virginia 27
- Wisconsin 65
- 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 3678 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
Five weekly themed trail races in Cuyahoga Valley National Park from Sept 29 to Oct 27, 2026, with 3–5 mile courses and series swag.
A multi distance trail event at Lake Perris, CA featuring a 200 mile course with 44,000 feet of elevation and timed cutoffs.
Free evening relay in Black Diamond where teams hunt six hidden ghosts in Civic Park, with costume and team-name awards and a bonus ghost prize.
A low key evening trail race series in Forest Park with three five race Series, varied 4 to 7 mile courses, Series standings, and a post Series awards gathering.
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 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 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 135 mile solo loop trail ultramarathon in Griffin GA with ten 13.5 mile loops, about 20,000 feet of climbing, strict no crew rules and a 48 hour cutoff.
A 24 hour loop event at Mint Hill Park with a 1.35 mile trail loop, solo and team relay options, on-site aid, 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.