United States
- Alabama 47
- Alaska 22
- Arizona 102
- Arkansas 26
- California 342
- Colorado 140
- Connecticut 46
- Delaware 9
- District of Columbia 11
- Florida 135
- Georgia 107
- Hawaii 3
- Idaho 24
- Illinois 88
- Indiana 62
- Iowa 43
- Kansas 34
- Kentucky 43
- Louisiana 28
- Maine 33
- Maryland 60
- Massachusetts 52
- Michigan 115
- Minnesota 60
- Mississippi 16
- Missouri 72
- Montana 37
- Nebraska 17
- Nevada 31
- New Hampshire 45
- New Jersey 54
- New Mexico 27
- New York 155
- North Carolina 130
- North Dakota 1
- Ohio 110
- Oklahoma 28
- Oregon 71
- Pennsylvania 181
- Puerto Rico
- Rhode Island 11
- South Carolina 55
- South Dakota 11
- Tennessee 69
- Texas 180
- Utah 86
- Vermont 34
- Virginia 149
- Washington 110
- West Virginia 26
- Wisconsin 74
- Wyoming 15
Trail Running Calendar United States 2026-2027
Explore the best trail runs in the United States for 2026-2027! Our updated list features 3940 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!
August 2026
A point to point 105.7 mile mountain trail run in Bridger-Teton National Forest with about 24,000 feet gain, 11 aid stations, and a 48 hour cutoff.
Summit North Trail Runs in Duluth, MN on August 7 and 8, 2026 offers four trail races from 1.5 to 13.7 miles on forest singletrack, with rugged climbs and a tunnel section on the Forest Track.
An unmarked 100 miles mountain challenge around Lake City with 40,000+ ft climb, five 14ers, a 48 hour cutoff, and a committee application process, August 7 to 9, 2026.
Backyard Ultra at Mill Creek Park in Kansas City features the Last Runner Standing plus 3, 6, 9 and 12 hour timed events on a 1-mile looped trail.
A seaside set of timed ultra-marathon events at Colt State Park in Bristol, Rhode Island, offering 6 hour, 12 hour, and 24 hour formats with separate entry periods and fees.
Evening 2 mile grass cross country races at Corwin Nixon Park in Mason OH on 08/07/2026 with high school and open divisions and free spectator access.
Join this community run in Eden featuring a fast and flat course through woods trails and high school cross country paths. Open to both runners and walkers with two distance options available during the local festival.
Three days of guided trail runs, lodge accommodations, meals, and trailhead shuttles in Roaring Gap NC.
Experience the final race of the summer at Farmdale Reservoir in Washington Illinois. This five mile trail run features a mix of prairie woods and singletrack paths through a diverse landscape.
A two day running and hiking event in Snowmass Village offering 3.76k, 5k, 10k and an 18.76k challenge with a free New Belgium brew and on-site festivities.
Three 10K night trail races in Wildwood MO with increasing climb per mile across a three week series, organized by Terrain Trail Runners.
A three day mountain biking and trail running festival in Duluth, Minnesota with races from youth XC and trail runs to multi stage enduro and downhill competitions. Courses include cross country singletrack and technical black diamond trails.
A two-day trail relay at Big Bear Camplands on August 7-8, 2026 featuring 117 miles of course, team entry options, camping, and on-site village activities.
A free 32 hour ultramarathon at Pointe Mouillee State Game Area near South Rockwood, Michigan, on August 7 to 8, 2026. Alternating daytime 8 mile and 4.6 mile loops with a 4 mile nighttime loop; participants carry their own aid.
Late Night With Bear Creek is listed for August 7, 2026 at 101 Doe Mountain Lane in Pennsylvania, United States. The listing provides the event name, date, and location.
Mountain trail running at Mt. La Crosse on August 7, 2026, with sprint, a 2 mile 1000' vertical run, a ruck challenge, and a kids race.
A remote mountain ultramarathon near Sumpter, Oregon offering 53-mile and 50K trail courses with mandatory prior ultramarathon experience; registration includes shuttle, meal, finisher award, and fairgrounds camping.
A family mud and obstacle event in Morganton NC with a one mile course, 16 obstacles, giant sprinklers, inflatables and a lazy river. Registration includes a shirt and medal, photos are free and parking is $10 per car.
Trail races from Fairhaven Park into Larrabee State Park offering 12K, 25K and 50K courses through forests, lakes and narrow ridgelines with significant elevation gain.
A half marathon and a 50K on the Dahlgren Railroad Heritage Trail in King George, VA on August 8, 2026. Mostly flat rails to trails courses with time limits, finisher medals, apparel options and postrace food including free MooThru ice cream.