United States
- Alabama 56
- Alaska 15
- Arizona 109
- Arkansas 44
- California 355
- Colorado 132
- 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 4036 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 Harford County Running Club Sunday run in Havre de Grace with a self timed, stroller friendly 4 mile road course and optional extra mileage around a hay field.
A community fundraiser on October 25, 2026 featuring a timed 5K trail, a 1K pre-teen road race, a 5K walk, children's games and a costume contest.
A fall festival in Tyngsboro featuring a 3K trail race, a free kids fun run for ages 7 and under, a farmer’s market, vendors, kids activities, and food on October 25.
A community fundraiser at The Y at Watson Woods on 10/25/2026 featuring a two hour lap-based trail race, raffle tickets, a chili cookoff and a costume contest.
USATF New Jersey 8K Cross Country Championship at Natirar Park in Peapack, NJ on October 25, 2026 with open and youth 8K divisions and published entry fees.
Cross-country themed event in Shickshinny on October 25, 2026 with a 5K and a 1 mile walk, a hidden antidote challenge, costume categories, and limited zombie repellent.
Trail races at Assabet River National Wildlife Refuge in Sudbury MA with 10K, 30K and a 6-hour timed loop event on dirt and gravel double-track trails.
Faith centered Pro Life 5K at Central Park of Morris Plains raising funds for the Saint John Paul II Respect Life Ministry, now a professionally timed cross country course.
Orienteering in a corn maze at Nixon Farms on October 25, 2026 with two courses, wristband entry that includes cider and a donut, and on‑site farm activities.
Halloween 5K at Team Sportsplex in Baton Rouge with mixed pavement and trail sections, costume prizes, vendors, and proceeds supporting breast cancer awareness and research.
Free community event at Bluff Creek Park featuring a 2 mile fun run, speed and agility stations, and prize challenges.
A team relay across San Francisco trails covering nearly 13 miles and over 2,000 feet of elevation, with five segments and teams of up to five runners for a $50 entry.
Beginner-friendly 2.8 mile group trail run at King County's Cougar Mountain with Teva demo shoes, post-run refreshments, and a chance to win Trailpeak shoes.
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 ultramarathon week at Lake Perris featuring a 200-mile race with 44,000+ feet of gain, multi-lap courses, pacer rules and cash prizes for 100/200 podiums.
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.
Low-key evening trail series in Forest Park with three five race seasons, 4 to 7 mile courses, standings for regular participants, and a post season awards party.
Experience a festive 5K trail run through Baldwin featuring bonfires and s’mores with costumes highly encouraged for all participants.
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.