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
Trail races at Stable View in Aiken on October 24, 2026 featuring marathon, half marathon, 10K, 5K and kids 1K on forested trails with on-site amenities.
A fourteen hour, fifty mile looped ultra near Decatur, Texas that supports suicide awareness and mental health. Runners may enter individually or as teams of four for a timed endurance effort.
Two trail races, 50K and 25K, take place at Mammoth Cave National Park on October 24, 2026 starting from Bell's Tavern Pavilion. The crushed gravel out and back course has ascents and descents, cupless aid stations, and limited entries.
Trail races at Millican Reserve in College Station include a half marathon, 10K, 5K and a short kids run on single-track trails, with aid stations, finisher medals, age-group awards and post-race food.
Multi-distance trail event on the Prairie Spirit Trail near Ottawa KS with certified courses, staffed aid stations, drop bag access, and distance-specific awards.
A 5K trail run in Fairview, Tennessee on October 24, 2026 supporting Love One International, which provides life saving medical treatment to children in Uganda. Registration opens April 24 and the entry fee is $40.
A themed, untimed trail event at Camp Anderson on October 24, 2026 where runners wear flag belts and navigate zombie zones. The event features runner and zombie roles, costume encouragement, awards, and proceeds benefiting local organizations.
Trail 5K and 10K at Red Wolf Sanctuary in Rising Sun on October 24, 2026; timed event with shuttle parking and proceeds supporting the sanctuary.
Two-day trail event at Hueston Woods offering looped races from 5K to a 50K, with aid stations, medals, timing, and postrace refreshments.
A rugged half marathon on Santa Cruz Island featuring oak canyons, five creek crossings, steep climbs and exposed ridge running. Organized by Ventura County Sheriff’s Search and Rescue, proceeds benefit SAR charities and entry includes boat transport..
A Halloween themed night trail event at Oak Mountain State Park with 13 mile and 6 mile loop courses, required headlamps, on course aid, post race food and awards.
Point to point trail races at Lehigh Gap Nature Center featuring technical single track, varied terrain, and a 1,000 foot final climb.
Timed trail challenge at Camp Greenough offering 5K, 10K or a six hour loop with run or ruck divisions and separate male and female rankings.
A night trail 5K in Beaverton on October 24, 2026, run over two laps on the McCulloch Rd school forest course with timed results and finisher medals.
A Halloween-themed event at Golden Road Vineyards offering a 5K, a Sip & Stroll option, and a virtual 5K, with medals, shirts, mimosas, and age-group awards.
Originally listed as a 5K at Washington Park in Springfield with registration closed and a $30 fee; a notice states the event has been renamed and moved to September 5th.
An evening 5K glow run/walk through trails and around barns at Northern State Recreation Area, featuring spooky elements and trail hazards. Early registration and limited medals and goodie bags are available.
Trail race in Pottstown, PA offering 15k and 30k on technical park trails with rocks, roots and varied single and double track. Aid stations provide fruit, packaged snacks and hot options; custom and self supported fueling is allowed.
A backyard ultramarathon at Waters Farm with a one loop hourly race, a 4.2 mile community run, a free kids fun run, and a full festival day.
A women’s trail half in the Marin Headlands covering 13.6 miles and 2,156 feet of climbing with aid stations, shuttle service, training support, childcare grants, and a $25,000 prize purse.