United States
- Alabama 46
- Alaska 17
- Arizona 99
- Arkansas 27
- California 341
- Colorado 132
- Connecticut 46
- Delaware 8
- District of Columbia 11
- Florida 138
- Georgia 106
- Hawaii 3
- Idaho 23
- Illinois 85
- Indiana 59
- Iowa 41
- Kansas 35
- Kentucky 42
- Louisiana 29
- Maine 32
- Maryland 60
- Massachusetts 50
- Michigan 109
- Minnesota 53
- Mississippi 16
- Missouri 69
- Montana 32
- Nebraska 18
- Nevada 31
- New Hampshire 43
- New Jersey 53
- New Mexico 28
- New York 154
- North Carolina 124
- North Dakota 1
- Ohio 108
- Oklahoma 28
- Oregon 68
- Pennsylvania 178
- Puerto Rico
- Rhode Island 11
- South Carolina 54
- South Dakota 12
- Tennessee 68
- Texas 180
- Utah 81
- Vermont 31
- Virginia 147
- Washington 108
- West Virginia 25
- Wisconsin 71
- Wyoming 12
Trail Running Calendar United States 2026-2027
Explore the best trail runs in the United States for 2026-2027! Our updated list features 3840 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
Multi-day mountain bike and trail running event at Coldwater Mountain in Anniston, AL featuring 40 mile, 17 mile, 50K and 25K race options.
An ultra-distance timed event at Gray's Lake in Des Moines with 6, 12 and 24 hour races on a USATF certified 1.905 mile loop. Results use an age and sex equalizer to determine overall awards.
Pumpkin Butt is a 50K looped run in Kennesaw, GA on October 31, 2026 for GUTS members featuring a pumpkin carry, cupless aid, and a canned goods drive.
A two day trail racing weekend at Castlewood State Park with 10k, half marathon and 30k options, notable stairs, weekend challenge combinations, finisher gear and age group awards.
Scenic 5K along the Virginia Capital Trail in Rocketts Landing VA on October 31 2026 with in-person and virtual participation options.
Beast of Burden is a 24 hour plus one hour trail and mountain bike endurance event at Mt Kessler in Fayetteville. Solo entrants and teams complete laps on two rotating loops while the event raises funds for trail preservation and offers food, coffee,..
A community run on October 31 at Windwood Presbyterian Church in Houston offering a 1 mile and a 5K. The park like course has no pavement and every registered runner receives a finisher medal.
Trail running event on October 31, 2026 at the Greenbush trail system near Glenbeulah, WI. Choose a 5K one loop or a 10K two loop course; chip timing is provided and a park sticker or daily pass is required.
A costumed 5K trail run and walk at Van Scott Nature Reserve on October 31, 2026 with in-person and virtual options to raise awareness for Pregnancy and Infant Loss Awareness Month. Includes a costume contest, water stations, and family activities.
Approximate 5K trail fun run at Shepard State Park in Gautier MS supporting Pink Heart Funds to aid local cancer patients; walkers welcome.
Trail event at Sleepy Hollow State Park offering a single 4.167 mile loop or a 12 hour backyard ultra of repeated laps with chip timing and live results.
5th Annual Mackyard Ultra is a race by the Baltimore Road Runners Club on October 31 at Shawan Downs in Cockeysville, MD with a $20 entry fee and a 100 runner limit.
A community running event at Burke Lake Park on October 31, 2026, offering scenic 5 km and 10 km trail races plus virtual options; walkers and strollers are welcome.
Trail races at Cane Creek Park in Waxhaw NC on October 31, 2026 with 4M, 8M, 25K and 50K options and a single $45 entry plus on-course aid.
A Halloween morning trail race in Swan Valley, Idaho featuring a 50K with 6,000 ft gain and a half marathon with 2,700 ft gain.
A small community 2.5 mile trail run at Thorne Head Preserve on October 31, 2026, with river views, a fall breakfast, and proceeds supporting local trails.
A costumed, timed 5K trail run at Wells Reserve at Laudholm on October 31, 2026 that raises funds for coastal conservation and restoration.
A Halloween-themed 5K and 1 Mile at Arasapha Farms in Glen Mills that benefits the Edgmont Township Fire Company No.1, with timed 5K results, commemorative shirts, safety costume rules, and a monster costume contest.
A Halloween event in Philippi WV offering a rugged 5K with trail obstacles and a separate 1 mile fun run. Runners use flag belts while actors portray zombies along parts of the trail.