United States
- Alabama 47
- Alaska 22
- Arizona 104
- Arkansas 27
- California 344
- Colorado 139
- Connecticut 46
- Delaware 9
- District of Columbia 11
- Florida 135
- Georgia 107
- Hawaii 3
- Idaho 25
- Illinois 88
- Indiana 62
- Iowa 43
- Kansas 34
- Kentucky 43
- Louisiana 29
- Maine 33
- Maryland 60
- Massachusetts 51
- Michigan 115
- Minnesota 60
- Mississippi 16
- Missouri 72
- Montana 37
- Nebraska 18
- Nevada 31
- New Hampshire 45
- New Jersey 54
- New Mexico 28
- New York 155
- North Carolina 130
- North Dakota 1
- Ohio 110
- Oklahoma 28
- Oregon 71
- Pennsylvania 180
- 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 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 3951 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
Experience the summit of Mount Agamenticus with a 5K or 1 mile trail race. Support local conservation efforts while running or hiking through Maine trails and participate in a raffle for all entrants.
Endurance races from Flagstaff to the Grand Canyon with 100 mile and 55K runs, a 100 mile mountain bike race, and relay options along the Arizona Trail.
A nine mile trail run between Upper and Lower Tahquamenon Falls in Paradise Michigan with an island loop over a pedestrian bridge and one aid station. The field is limited to 100 runners and a 90 minute cutoff applies at the bridge.
Crimson Canyons Ultra in Richfield, UT on September 19, 2026 offers 10 km, half marathon and a 60 km Spinal Tap trail race across canyon and ridgeline terrain.
A 100K trail race and three-person relay at Meeks Mountain Trails in Hurricane WV, run over six 10.3 mile single-track loops with a $10,000 solo prize purse.
A five hour endurance event at Franke Park where runners, mountain bikers and wheelchair athletes complete as many full laps as possible on separate loops. Food and drinks are available at a central HUB and winners are top lap counts per category.
A fall marathon in Fairbanks, Alaska on a 26.2 mile mostly trail course with a 3,300 foot climb up Ester Dome, nine aid stations, and options for a solo run, a timed hike, or a three person relay with three 8 to 9 mile legs.
Trail runs at Peace Ranch near Traverse City include a 5K on packed sand roads and a 10K on varied forest trails. The event is dog friendly and supports New Veterans Retreat Services and the Mustang Rehab Program.
A multi-distance obstacle course event on rugged terrain near Marseilles Illinois featuring 5K and 10K options, a kid's loop, ruck categories with recommended weights, and a multi-lap Bearded Challenge. Finisher shirt, medal, and action photos includ..
A USATF-sanctioned trail event in Upper Nyack with a 50 mile option featuring four 11.5 mile loops, about 9,700 feet gain, and three aid stations.
Ultra Fest in Easton, WA offers trail ultramarathon distances from 25K up to 100 miles on September 19–20, 2026, with on-site parking and day-of registration.
A trail event in Laurelville with 50K, 25K, 10K (now 7.3 miles) and a youth 10K, featuring a mostly trail 25k course and participant awards.
Trail event at Codorus State Park offering a 40 Mile Ultra, a 40 Mile Relay, and a 25K on looped trails with stocked aid stations and nearby camping.
A 100km trail race in Morgan Hill State Forest, Tully NY, mostly single-track across four counties with a 20 hour cutoff and required offline navigation.
Trail running at Smith Ranch in Bradley CA with 10 km loop options, 24 and 48 hour events, onsite camping, nightly bonfires and live music.
Test your physical and mental endurance by running ten 5k loops every 2.5 hours over a 24 hour period. This 50k challenge in Tulsa features a paved river trail course and includes on site camping and provided meals.
An urban trail running event in Theodore Wirth Park offering Half Marathon, 10K and 5K with on course aid stations, athlete tracking and a finish line festival.
Experience a historic re-enactment through the rugged trails of Missouri Headwaters State Park. This unique 7.5 mile run features deep mud, river crossings, and wild Montana terrain for a limited field of 300 participants.
An illuminated night run and walk at Glenwood Gardens with marked trails, a two-loop 3.26 mile run and a one-loop 2 mile walk; the run counts toward Dirt Days Trail Series points and online registration is required.
A 5k trail run at YMCA Camp Manitou-Lin in Middleville, Michigan, featuring single track, fields, and gravel roads as part of Dirtfest Weekend. Completing this run plus two other Dirty Mitten events earns a commemorative piece of swag.