United States
- Alabama 56
- Alaska 15
- Arizona 109
- Arkansas 44
- California 356
- Colorado 132
- Connecticut 39
- Delaware 16
- District of Columbia 14
- Florida 176
- 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 38
- Nebraska 26
- Nevada 28
- New Hampshire 30
- New Jersey 74
- New Mexico 27
- New York 139
- North Carolina 166
- North Dakota 2
- Ohio 94
- Oklahoma 46
- Oregon 81
- Pennsylvania 176
- Puerto Rico 1
- Rhode Island 8
- South Carolina 68
- South Dakota 7
- Tennessee 72
- Texas 243
- Utah 70
- Vermont 22
- Virginia 142
- 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 4044 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
Trail races at Almaden Quicksilver County Park offering a half marathon, 10K and kids 1 mile with historic mining views and local conservation support.
A campus trail event on October 17, 2026 featuring a 5K through wooded mixed terrain plus a kids Gator Gallop and a 1 mile fun run.
A backyard ultra on a 6.55 mile flat dirt loop near Richfield, Utah where runners start a new loop every 90 minutes and can continue up to 24 hours.
A rugged trail event on October 17, 2026 built around a 5K loop with ultra distances and occasional direction reversals for qualifying runners.
A 10 mile loop backroad run and hike in Avella, PA on October 17, 2026 with over 1200 feet of ascent, three aid stations, a four hour cutoff, and post-race meal and music.
A 2 mile course at Moon Farm in Fruita where participants carry a pumpkin picked from the patch; pumpkins are included with entry and are weighed and marked beforehand.
Trail races at Lake McMurtry offering 5K, 10K, half marathon and marathon with chip timing, finisher medals, packet pickup, and camping options.
10K, 18K and 25K trail races through Brighton Recreation Area singletrack, ridgelines and lakeshore, with aid stations, marked course and a six hour cutoff.
A chip timed 5K run and walk along Danville's Riverwalk Trail on October 17, 2026, with awards by gun time and youth pricing.
Loop-based races at Livingston Memorial Oval include timed runs, a marathon, a half marathon, and a Last Person Standing event on 0.44-mile laps.
Trail event in Allison Park, PA on October 17, 2026 featuring a 5 mile trail race and a free children's fun run for the event's 20th anniversary.
Charity 5K at Sequoia Park in Eureka on October 17, 2026 where runners may bring dogs, run among redwoods, and support the Sequoia Humane Society.
Trail races of 5K and 10K through Gunstock Ranch on Oahu's north shore featuring ranch trails, a lookout with windward Oahu views, and discounts for students and military.
Community 5K and 1 mile fun run at Tamaqua Area High School with proceeds funding a memorial scholarship, trail course plus stadium track laps.
A ten hour looped trail event in Cape Girardeau, MO with 1.5 mile loops up to 20 laps for 50K; a 5K option is two loops and entry fees support charity.
Timed 3-hour and 6-hour lap events or a marathon on a 1.06 mile dirt loop at Osprey Park in Sultan, WA with river views and minimal elevation.
A Last Person Standing race on October 17, 2026 at Lord Hill Regional Park featuring repeated 0.8 mile loops, a 233 ft climb, shrinking lap times and medieval-themed prizes.
A 5K and 10K trail run and walk through Swallow Cliff South in Palos Park on October 17, 2026, with gravel trails, elevation changes, reusable race cups, and age group awards.
A Halloween themed 5K around Lake Palmdale with costumes encouraged, aid stations, medals for all finishers, cash prizes for the top three, and costume awards.