United States
- Alabama 47
- Alaska 22
- Arizona 104
- Arkansas 27
- California 344
- Colorado 137
- Connecticut 46
- Delaware 9
- District of Columbia 11
- Florida 135
- Georgia 107
- Hawaii 3
- Idaho 25
- Illinois 87
- Indiana 62
- Iowa 43
- Kansas 34
- Kentucky 43
- Louisiana 29
- Maine 33
- Maryland 60
- Massachusetts 51
- Michigan 114
- Minnesota 58
- Mississippi 16
- Missouri 70
- Montana 37
- Nebraska 18
- Nevada 31
- New Hampshire 45
- New Jersey 54
- New Mexico 28
- New York 154
- North Carolina 129
- North Dakota 1
- Ohio 111
- Oklahoma 28
- Oregon 71
- Pennsylvania 179
- Puerto Rico
- Rhode Island 11
- South Carolina 56
- South Dakota 11
- Tennessee 69
- Texas 181
- Utah 86
- Vermont 34
- Virginia 149
- Washington 111
- West Virginia 25
- Wisconsin 73
- Wyoming 14
Trail Running Calendar United States 2026-2027
Explore the best trail runs in the United States for 2026-2027! Our updated list features 3937 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
Experience an off road trail race through the Coconino National Forest at high altitude. Choose from a marathon, half marathon, or 10k while supporting local college cross country programs in the Arizona Nordic Village.
Weekend races in Waynesville MO with 5k, 10k and half marathon courses along the Roubidoux plus a combined Frog Hill Challenge medal.
A point-to-point trail marathon and 30K in Colorado’s North Fork Valley at peak fall color, with mountain climbs to Inter-Ocean Pass and proceeds funding summer camp scholarships.
Baker Lake 50k is a 50k running event on Saturday October 3, 2026 organized by NW Endurance Events. Registration closes October 2, the entry fee is $85 and a race shirt is available for $25.
A last-person-standing backyard ultra near Fruita, Colorado with 4.167-mile runnable singletrack loops and one hour to complete each lap.
Multiple race distances run near the Royal Gorge Bridge, including a 5K road run, an 8 mile trail race and a 13.1 mile half marathon, plus a free kids Dinosaur Dash and a virtual race option.
Experience the scenic single track trails of Steamboat Springs during the Emerald Mountain Trail Run. Choose between the 4 mile or 12k distances through aspen groves to support the local Boys and Girls Club.
Explore the scenic trails and steep hills of Mirror Lake State Park with several distances available. Finish your race with refreshments and s'mores around a campfire while supporting local park projects.
Experience night trail running on the rolling grassy hills of Lake Elmo Park Reserve. Choose between 5k and 10k races or a 6 hour endurance shuffle on lit ski trails.
A multi-distance trail event in Prescott, AZ on October 3, 2026 offering 100 and 50 mile loops plus 10.72K and a new 6.66 mile fun run.
Trail races at Shawnee Mission Park offering 10M, 20M, 40M, and 50 Miler options with marked trails, cupless aid stations, and a backup course.
Trail races on the historic Bartram Trail near Franklin, NC offering 25K and 50K with significant elevation gain, aid stations, a 150 runner field limit, and an afternoon festival.
A last-person-standing backyard ultra on a flat 4.3 mile loop at Findlay Reservoir with self-support, live tracking, and camping the night before.
A 50K trail race on October 3, 2026 in Kattskill Bay, NY, featuring four peak crossings and about 9,000 feet of climbing.
A community event at Forest Ridge Preserve featuring a chip timed 5K and a 1.5 mile self guided hike through the Chagrin River valley. Proceeds support the Moreland Hills Parks Commission and registrants by September 20 receive a commemorative shirt.
Run-a-Muck in Newtown Square, PA features a 5K and a 1.5-mile mucker with family activities and proceeds supporting Willistown land conservation.
Last person standing trail ultra in Center Conway, NH on a 3.5 mile forest loop with camping, meals, swag and a beer mile the following day.
Experience a point to point trail race along the Superior Hiking Trail in Duluth. Choose from four supported distances that feature old growth forests and waterfalls before finishing at the Fitger Courtyard near Lake Superior.
Experience the beauty of Northwest Montana with a variety of trail races ranging from a family fun run to a technical 50k ultramarathon. Run through scenic forests and lakes while supporting the local trail system.
A farm based obstacle course at Heim's Hillcrest Dairy in Algoma covers about 1.5 miles with tasks such as feeding calves and climbing over hay bales. Registration opens July 1 with an early price of $20 until September 1.