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
Trail races at Stable View in Aiken include a marathon, half marathon, 10K, 5K and kids 1K through forested longleaf-pine terrain. The event features finisher medals, shirts, awards, costume categories, rest stops and a conservation focus.
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.
A multi-distance trail event on the Prairie Spirit Trail in Ottawa, KS, with distances up to 100 miles, stocked aid stations, crew access and custom finish buckles.
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 community run at Ives Farm hosted by Cheshire Community YMCA and Cheshire Land Trust. Features a trail 5K, a youth Y Cup relay with elementary teams, a free Pumpkin Dash for young children and family fall activities.
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.
Timed 5K and 10K trail run and walk at Red Wolf Sanctuary in Rising Sun, Indiana, with courses through waterways, wetlands and past wildlife enclosures and proceeds supporting the sanctuary's conservation work.
Trail trail races at Hueston Woods State Park on October 24 and 25 2026 offer distances from 5K to a multi-loop 50K, plus a six hour event; courses are timed with aid stations, medals 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 race at Oak Mountain State Park offering 13 and 6 mile loop courses with aid stations, costume awards, and post race refreshments.
Point to point trail races in Slatington, PA with a 10k and a 2 Mile Scramble finishing 1,000 vertical feet above the gap.
Trail event at Camp Greenough in Yarmouth MA offering 5K, 10K and a 6 hour loop challenge with separate run and ruck divisions.
A nighttime 5K on the McCulloch Rd School Forest trails in Beaverton, MI on October 24, 2026. The two-lap, professionally timed trail run includes a shirt option and finisher medal, with proceeds supporting local community development.
On October 24, 2026 at Golden Road Vineyards in State Road, NC, a Halloween themed event offers a 5K, a 1.5 mile Sip & Stroll and a virtual 5K. Participants receive a finisher medal, a race shirt and a mimosa and age group awards start at 10 and unde..
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.
Backyard ultramarathon at Waters Farm with a 4.167 mile hourly loop, a 4.2 mile community run, a free kids fun run, and a full festival.