United States
- Alabama 46
- Alaska 18
- Arizona 99
- Arkansas 27
- California 346
- Colorado 132
- Connecticut 44
- Delaware 9
- District of Columbia 11
- Florida 140
- Georgia 104
- Hawaii 3
- Idaho 22
- Illinois 86
- Indiana 59
- Iowa 41
- Kansas 35
- Kentucky 42
- Louisiana 29
- Maine 31
- Maryland 59
- Massachusetts 49
- Michigan 110
- Minnesota 59
- Mississippi 16
- Missouri 69
- Montana 31
- Nebraska 18
- Nevada 30
- New Hampshire 42
- New Jersey 51
- New Mexico 28
- New York 154
- North Carolina 127
- North Dakota 1
- Ohio 106
- Oklahoma 29
- Oregon 71
- Pennsylvania 179
- Puerto Rico
- Rhode Island 11
- South Carolina 56
- South Dakota 13
- Tennessee 69
- Texas 184
- Utah 82
- Vermont 30
- Virginia 151
- Washington 107
- West Virginia 25
- Wisconsin 70
- Wyoming 13
Trail Running Calendar United States 2026-2027
Explore the best trail runs in the United States for 2026-2027! Our updated list features 3869 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
Aug 15 to 16, 2026 at Dillingham Ranch, Oahu : multi-distance Spartan obstacle weekend with Sprint, Super, Beast, Ultra, kids races and an obstacle workshop.
Timed loop endurance event in Lincoln Park Seattle with 3, 6, 12, and 18 hour options, kids Loopy Races, team competition, and a central festival style aid area.
A mid-August trail running weekend in Grandview, Tennessee with looped races from one hour to 24 hours, free tent camping and a glamping auction; proceeds support Flying Pigs Sanctuary.
Trail races at Rocky Branch Park in Belmont, NC offering 50K, 25K and 5K on a marked looped course with aid stations and a handmade pottery finisher medal.
Mt. Sneffels Half Marathon and 10K in Ridgway Colorado features mostly dirt county roads, finisher medals, awards and a kids fun run.
Weekend mountain trail races at Mt. Hood Meadows presented by Speedland, including a 50-mile route to 8,000 ft, shorter Sunday races and a kids race.
Trail races in Elkridge, MD offering 25K and 50K on rolling single track with river crossings, aid stations, and an onsite after party.
A trail running event in the Santa Monica Mountains offering 50k and 25k courses with fully stocked aid stations and race prizes.
Tartarus Backyard Ultra is a last person standing running and rucking event at Camp 7, Riverside State Park on August 15, 2026. Competitors complete repeated loops with a one hour cutoff per lap until one runner and one rucker finish a final solo loo..
A 7.1 mile mountain race in Alta Utah with 2,545 feet of climbing, marked singletrack, aid stations, and a strict midcourse cut off.
Run the scenic Medicine Bow Rail Trail and Lake Owen at high elevation in Wyoming's national forest. This event offers both marathon and half marathon distances, all on a historic pathway. The 2026 edition is scheduled for August 15.
An urban trail event on August 15, 2026 in Columbus, Georgia offering 25K, 50K and 50 miles with river views, southern-style aid stations, and a 100-runner cap.
Multi-distance ultrarun in Waynesville, MO on a 10 mile Ozark loop with aid stations, on-site camping, and proceeds supporting OneSolePurpose.
Awarded OCR Buddy People's Choice, Highlander Assault in Pingree Grove IL offers 3K, 5K and 15K obstacle heats plus night and haunted 5K events.
A 24 hour series of hourly group 5K runs at Kearin Family Farm in Bonney Lake with camping, food, music, and a medal and T shirt showing laps completed.
A charity 5K at Uncle John's Cider Mill in Saint Johns MI with a virtual option, dogs welcome, and shirts and medals guaranteed for registrations through July 30.
An obstacle and mud focused 5K at Village Creek Motocross Park in Dallas Fort Worth with a pre race festival, post race festival, and multiple registration packages.
Test your endurance at the Tuff Enuff Trail Run in Woodway Activity Park. Part of the Huaco Cuatro Series, this event offers scenic 5K and 10K courses alongside a flexible virtual option for all participants.
Olympic Mountains Trail Race Festival in Olympic National Forest offers 100K, 50K, 25K, 10K and ruck divisions on mountain single track and forest roads.
An eight hour, free trail running event in Tolland, CT with an approximately 5K loop, food at Crandall's Pavilion, a potluck format, and a donation jar.