United States
- Alabama 46
- Alaska 17
- Arizona 99
- Arkansas 27
- California 339
- Colorado 132
- Connecticut 46
- Delaware 8
- District of Columbia 11
- Florida 138
- Georgia 104
- Hawaii 3
- Idaho 23
- Illinois 84
- Indiana 59
- Iowa 39
- 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 153
- North Carolina 124
- North Dakota 1
- Ohio 108
- Oklahoma 28
- Oregon 68
- Pennsylvania 176
- Puerto Rico
- Rhode Island 11
- South Carolina 54
- South Dakota 12
- Tennessee 68
- Texas 180
- Utah 81
- Vermont 31
- Virginia 144
- 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 3836 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
A community HalloWin event at Boettler Park with a two-lap 5K and a 1 Mile fun run, costumes and candy, $2,000 in prizes, and proceeds supporting The Debbie Rayl Kindness for Kids Program.
HHNC Meadows & Trails 5K is an off road 5K at Hudson Highlands Nature Center in Cornwall NY on 10/17/2026, featuring meadows, ponds, wooded trails and views of Black Rock Mountain. Entry is $35 and children under 18 run free.
An inaugural community 5K at Germania Insurance’s Home Office in Brenham on October 17 2026, featuring a mixed road and grass trail course. Proceeds benefit the Boys & Girls Club of Washington County.
A fall fundraiser featuring a 3.1 mile Twilight Zombie Trail 5k in Coal Township, Pennsylvania, plus a free Monster Dash for kids. Pre-registration includes a T-shirt and race awards by age group.
Trick or Trail 5K is a Halloween themed 5 kilometer run in Collyar Park, Laurens, SC, mixing road sections with trails through the Joe R. Adair Outdoor Education Center. Costumes are encouraged and prizes are given for creativity, speed, and spirit.
Part of Stuart's annual Apple Dumpling Festival, this 5K follows the paved Mayo River Rail Trail through downtown. Pre-registered runners are guaranteed a shirt and all participants receive a finisher medal plus refreshments, awards and door prizes.
Timed endurance running at Champs Campground in Whitehall NY on October 17 and 18, 2026. Choose a 6 hour, 12 hour, or 24 hour race on a flat 0.30 mile loop with aid station, camping, and limited fields.
An annual open 5K at Jefferson Barracks Park in Saint Louis held alongside the Hancock Cross Country Invitational. The race welcomes all ages; registration opens August 1, 2026, with a $15 fee and closes on race day.
Trail races at Almaden Quicksilver County Park include a half marathon, 10K and a kids one mile fun run with course aid stations and volunteer support.
Trail event at Northshore Technical Community College in Lacombe offering 5K, youth 5K, 1-mile fun run, and Gator Gallop with wooded terrain and a virtual option.
A backyard ultra in Richfield, UT with a 6.55-mile loop every 90 minutes for up to 24 hours, offering milestone distances from 10K to about 100 miles.
A looped trail event at Windstone Landing Farms offering 5k, 50k, 100k and 100 mile options with varied terrain, on-site camping, aid station service, and a course reversal feature.
A 2 mile event on 10/17/2026 in Fruita CO where participants pick a pumpkin included with entry then carry it across a course of fields, forests and hay bales.
Trail races of 5K, 10K, half marathon and marathon take place at Lake McMurtry East Pavilion in Stillwater on October 17, 2026. The event is chip timed and includes a finisher medal and a post race celebration with refreshments.
Trail races of 10K, 18K and 25K wind through Brighton Recreation Area singletrack, ridgelines, and lake shorelines in peak fall colors. The event features marked courses, aid stations, event shirts, finisher medals and a five 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.
A community fundraiser in Garland featuring a chip timed 5K, a 1 mile fun run and a virtual option supporting clean water and schools in Sierra Leone.
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 running event in Allison Park, PA on October 17, 2026 with 5 miles, 25K and a Little Monsters run over wooded, hilly trails and pace-grouped entries with separate fees.
A community 5K through Sequoia Park’s redwoods where runners may bring their dogs; proceeds support Sequoia Humane Society and there will be adoption opportunities.