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Trail Running Calendar United States 2026-2027

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Explore the best trail runs in the United States for 2026-2027! Our updated list features 4031 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
Wasatch Half Marathon in Soldier Hollow, Utah on October 10, 2026 features a half marathon and a 10k with chip timing, three aid stations, and age group awards.
A trail-based Half Marathon in Sandy, Utah on October 10, 2026, featuring a rolling canyon course, on course photos, postrace breakfast, stocked aid stations, and age group awards.
Trail races in Auburn, California along the American River Canyon rim with live music and free cider. Distances include a 50K, a half marathon and a 5 mile course with aid stations on the longer routes.
Backyard Ultra at Blue Mounds State Park near Luverne MN, where runners repeat 4 miles 880 feet loops each hour until one runner completes one more loop than the rest.
Backyard Ultra at Lions Club Park in Rolla, Missouri with a 4.167 mile loop repeated until one runner completes one more lap; proceeds support the 988 hotline and the park.
Last Man Standing race in Kings Mountain NC with repeated 3.1 mile loops and shifting time limits that cycle 40, 45, 50, 55, 60 minutes until one runner finishes.
A lap-based 24 hour endurance event at Arrowhead Lake Campground near Johnston City IL with a certified 2.07 mile gravel loop and multiple timed races.
High-elevation trail races near Leavenworth with 50K and 50M routes through alpine ridgelines and golden larches; the Oct 10, 2026 race was canceled due to wildfire.
Experience the peak of New England autumn on a journey through the mountains and fields of central Massachusetts. This trail event offers three distances crossing state borders for runners seeking adventure on the Midstate Trail.
Trail races in Max Meadows VA on October 10-11 2026 with 100 mile, 50 mile, 50k and 25k options and published cutoffs and course details.
Experience a scenic run or walk through the wooded trails and gravel roads of Fitzgerald Park. This event features a diverse course across grass and varying elevations with professional timing and age group awards.
A professionally timed 5K trail and a kids' mile in Kentwood raising funds to assist families of children under 21 with neuromuscular and degenerative diseases.
Two-day trail weekend at Lake Bastrop on October 10 to 11 2026 featuring distances from 5K to 50K plus a backyard ultra and a ruck event.
Multi day ultrarunning event at Hainesport Township Park, New Jersey, with paved counterclockwise loops, chip timing, a stocked aid station, relay options and USATF sanction.
Ultramarathon and road race distances around Lake Merced in San Francisco run on a 4.5 mile loop with registration fee listed as $0.00.
Trail half marathon at Paris Mountain State Park with a single 13.1 mile loop, 2,300 feet of climbing, two aid stations, chip timing, and post-race pancakes.
Community running, rucking, and family walking event on October 10, 2026 in Oconomowoc, with proceeds supporting children with special needs.
A certified 5K trail run on a 50 acre horse ranch near Gastonia, NC, accompanied by a 2K walk, a Half Pint race for ages 7 and under, and a virtual 5K option. The event runs rain or sunshine and will be canceled for lightning.
Multiple trail distances around Lake Somerville follow lakeshore and shaded forest trails with marked courses, aid stations, a Friday night tailgate, and a cupless Leave No Trace policy.
A 5K trail Color Run in Defiance on October 10, 2026 that raises funds for Black Swamp Area Council and Camp Lakota; registration opens April 30, fee $30.
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