United States
- Alabama 53
- Alaska 14
- Arizona 109
- Arkansas 43
- California 351
- Colorado 131
- Connecticut 44
- Delaware 12
- District of Columbia 13
- Florida 173
- Georgia 101
- Hawaii 8
- Idaho 14
- Illinois 72
- Indiana 69
- Iowa 35
- Kansas 35
- Kentucky 71
- Louisiana 32
- Maine 23
- Maryland 65
- Massachusetts 60
- Michigan 103
- Minnesota 48
- Mississippi 16
- Missouri 69
- Montana 33
- Nebraska 20
- Nevada 27
- New Hampshire 29
- New Jersey 70
- New Mexico 28
- New York 142
- North Carolina 162
- North Dakota 2
- Ohio 98
- Oklahoma 39
- Oregon 85
- Pennsylvania 192
- Puerto Rico 1
- Rhode Island 9
- South Carolina 69
- South Dakota 6
- Tennessee 73
- Texas 240
- Utah 71
- Vermont 22
- Virginia 152
- Washington 128
- West Virginia 27
- Wisconsin 66
- Wyoming 8
Trail Running Calendar United States 2026-2027
Explore the best trail runs in the United States for 2026-2027! Our updated list features 4023 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!
September 2026
A six-day series Sept 28 to Oct 3 2026 across WY, CO, NE, SD, ND and MT offering marathon, half, 10K, 5K and 50K options with state-specific medals.
Three days of trail running at Zephyr Point on the Tahoe Rim Trail, Flume Trail and Pacific Crest Trail with long and short daily options and all-inclusive lodging and meals.
A five-event trail series in Cuyahoga Valley National Park from late September through October, featuring short courses, participant swag, and a secret twist at each event.
A self-supported, no-fee 36-hour event on a marked 4-mile loop in the Sheyenne National Grassland, limited to 10 entrants and requiring self-supplied gear.
Three days of timed trail races through Bryce Canyon, Zion, and Antelope Canyon with camping, meals, shuttles, and festival activities in Kanab, Utah.
Low-key evening trail series in Forest Park with three five race seasons, 4 to 7 mile courses, standings for regular participants, and a post season awards party.
A nine-race trail series across the Twin Ports from August to October 2026 featuring short woodland singletrack courses, free entry, and a final potluck with prizes.
Four days of adaptive trail stages in Monroe Utah with GPX routes, self sufficiency requirements, scoring across best three days, and a Saturday only option.
Free Vuori Pop Up Social Run at University Park Village on September 30 offering a 40-minute open-course trail run or walk, refreshments and 20% off shopping.
October 2026
A vertical trail endurance series at Mohawk Mountain offering 12 to 84 hour looped events with individual and team FlexRelay options and clear lap and elevation targets.
Test your limits on a flat one mile loop at the Sussex County Fairgrounds. Choose from 6 to 72 hour timed races or certified marathon and 50K distances with full kitchen and shower access.
A memorial 5K in New Bern, NC with in-person and virtual options in early October. The race uses the Dragonfly trail at Martin Marietta Park and offers T-shirts, awards by age group, one water station, and light refreshments.
A self guided 50K point to point on the original South Yuba Campground to Bear Valley course, completed any time during October 2026 with self reported results.
Oktoberfest Trail Run in Farmersville, Texas offers 5k to 50k distances on the reclaimed Chaparral Trail through prairies and farmland. The event features marked aid stations, a cupless refill policy, and one post-race beverage per registrant with ID..
Timed trail event at Sand Creek Ranch in Los Olivos offering 3.4 mile loop options from 3 hours up to 48 hours, with on-course aid and free camping.
Ultramarathon event in Utah on October 2 and 3 2026 offering 100 mile, 50 mile, 55K and 25K races with a 50 mile qualifier for the 100.
A loop ultra in Mammoth Lakes on October 2, 2026, circling an ancient caldera with alpine, volcanic and high desert terrain plus cash prizes for top finishers.
Chip timed ultrarunning event in Lykens, PA on October 2–3, 2026 offering 24 hour, 12 hour and 6 hour races on a one mile mostly grass loop.
Experience a nighttime trail run at the Shelby Farms Cross Country Course with options for a 5K race or 2K fun run. This family friendly event supports youth athletics programs in Memphis.