United States
- Alabama 47
- Alaska 22
- Arizona 104
- Arkansas 27
- California 344
- Colorado 137
- Connecticut 46
- Delaware 9
- District of Columbia 11
- Florida 135
- Georgia 107
- Hawaii 3
- Idaho 25
- Illinois 87
- Indiana 62
- Iowa 43
- Kansas 34
- Kentucky 43
- Louisiana 29
- Maine 33
- Maryland 60
- Massachusetts 51
- Michigan 114
- Minnesota 58
- Mississippi 16
- Missouri 70
- Montana 37
- Nebraska 18
- Nevada 31
- New Hampshire 45
- New Jersey 54
- New Mexico 28
- New York 154
- North Carolina 129
- North Dakota 1
- Ohio 111
- Oklahoma 28
- Oregon 71
- Pennsylvania 179
- Puerto Rico
- Rhode Island 11
- South Carolina 56
- South Dakota 11
- Tennessee 69
- Texas 181
- Utah 86
- Vermont 34
- Virginia 149
- Washington 111
- West Virginia 25
- Wisconsin 73
- Wyoming 14
Trail Running Calendar United States 2026-2027
Explore the best trail runs in the United States for 2026-2027! Our updated list features 3937 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
Love Yourself First Masquerade 5K is an in-person and virtual run and walk on October 3, 2026 in Missouri City, TX. The themed event focuses on domestic violence awareness, solidarity, and creating a space for education and healing.
Test your endurance at this 24 hour event featuring a scenic 3.1 mile loop through rolling hills and forest trails. Enjoy full support with an extensive aid station and on site camping while supporting the Lions Bear Lake Blind Camp.
A trail 5K at Claude Moore Park in Sterling VA on October 3, 2026, offering in-person and virtual entries with medal and shirt options.
A fundraising run on October 3, 2026 at Harborcreek Community Park in Erie, PA featuring a 5K and a 1 mile fun run walk to support the Haven 2 Home program; entry fees and race shirts are listed.
OUTLAST Denver is a six hour trail challenge where runners complete a 5K every hour, earn patches or a medal for laps, and can place on a national leaderboard.
A community trail festival in Shippensburg offering a half marathon, 5k, hike, 25 mile bike ride and a free 1 mile fun run for kids, with proceeds supporting the Cumberland Valley Rails to Trails Council.
Trail races on the Brook Hill trails in Bullard, Texas offering 5K and 10K distances on October 3, 2026, with professionally marked courses and on-course support.
Trail races at Creekside Trails in Valparaiso on October 3, 2026: a 5K loop and a 30K team relay hosted by local firefighters.
A community 5K and 1K kids run on October 3, 2026 at Model High School in Rome, GA that mixes wooded trail and paved road, supports school programs, and includes a commemorative T-shirt plus awards by age group.
Trail races at Alum Creek State Park on October 3, 2026 include a half marathon, 10K, 5K, 20K relay and a six hour timed event. Entrants receive a custom medal, bib, on-course aid and recorded results.
A non-profit, ninja warrior style obstacle course in Mullica Hill, NJ with an approximately 4 mile course and 12 tiered obstacles. Individual and team scoring uses tiered points and age rules require adult accompaniment for 10 to 14 year olds.
Trail races at Brighton Ski Resort featuring a 5K and an approximately 12-mile half marathon with one aid station, race shirt, finisher magnet, and paid training plans.
A last-one-standing backyard ultra where each completed loop adds $100 to a shared prize jar and the final payout is split 75% to the winner and 25% to the runner-up.
An annual 5K cross country run or walk in Franklin Park supporting Boston Latin School Athletics. Team registration is new for 2026 and fees are tiered with free entry for BLS students.
A six week 5K cross country series in Monmouth County parks with team and age group scoring, series prizes and both pre registration and event day registration.
A community 2-mile cross country run/walk at Glacier Creek Middle School with in-person and virtual options, evening and race-day packet pickup, live electronic results, and awards; proceeds support course upkeep and the high school cross-country pro..
A community run and walk at Heebner Park supporting the Methacton Backpack Program. The event features a professionally timed 5K on a trail course and an untimed 1.5K kids run for ages 12 and under.
A timed climb of 861 steps to the rooftop of Tampa City Center with official timing to the 39th floor, bailout floors, water stations and on site medics.
An outdoor adventure race in Midlothian, VA on October 3, 2026 where participants use a map to find 5 to 7 hidden control points and collect tokens. First three finishers with all tokens are champions and a portion of proceeds supports Semper Fi & Am..
A vertical race up the cargo net at Karl Eid Ski Jump on October 3, 2026, with randomized wave starts, equipment restrictions, and non-refundable entries.