United States
- Alabama 56
- Alaska 15
- Arizona 109
- Arkansas 44
- California 356
- Colorado 132
- Connecticut 39
- Delaware 16
- District of Columbia 14
- Florida 176
- Georgia 97
- Hawaii 9
- Idaho 12
- Illinois 69
- Indiana 71
- Iowa 31
- Kansas 35
- Kentucky 71
- Louisiana 32
- Maine 26
- Maryland 72
- Massachusetts 55
- Michigan 113
- Minnesota 48
- Mississippi 15
- Missouri 64
- Montana 38
- Nebraska 26
- Nevada 28
- New Hampshire 30
- New Jersey 74
- New Mexico 27
- New York 139
- North Carolina 166
- North Dakota 2
- Ohio 94
- Oklahoma 46
- Oregon 81
- Pennsylvania 176
- Puerto Rico 1
- Rhode Island 8
- South Carolina 68
- South Dakota 7
- Tennessee 72
- Texas 243
- Utah 70
- Vermont 22
- Virginia 142
- Washington 131
- West Virginia 31
- Wisconsin 69
- Wyoming 7
Trail Running Calendar United States 2026-2027
Explore the best trail runs in the United States for 2026-2027! Our updated list features 4045 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
An urban 5K adventure race and a shorter untimed fun run at Independence Landing in Tallahassee on October 17, 2026. The 5K features at least five challenges along the route and finishers receive medals.
A community 5K plus a 400 m kids trot on a grass cross country course in Clearwater, Kansas, with postrace refreshments, medals for tots and cash prizes.
A 24 hour challenge of ten consecutive 5ks at Tyler State Park on dirt trails, with night running, tent camping at Blackjack and on-course food and drinks.
A six hour weighted trail race in Mansfield MA where competitors carry and adjust weight each lap and score by pound miles called Kz.
A regional trail and ultra running series in Maricopa County offering distances from 2 Miles to 50 miles between October 2026 and April 2027.
Cedar City Uphill Ultra on October 17 2026 loops the "C" trail three times with about 7,500 feet of climbing on all dirt trail.
Bee the Light 5K is the fifth annual charity run at Southeastway Park with a paved 3.1 Miles course and family-oriented park features; all registration proceeds support the International Rett Syndrome Foundation.
A fourth annual 8.5 mile trail race in DuPont State Recreational Forest on October 17, 2026, limited to 300 runners, with nearly 1,000 ft of elevation gain and a same day forest festival.
A Fall River trailfest on October 17, 2026, with walks, runs, and a 10-mile ruck through the Bioreserve plus post-race music and family activities.
A 20 mile loop on Sewanee's Perimeter Trail with three aid stations and start/finish at the Mountain Goat Visitor Center in Sewanee, TN.
An annual 5k cross-country race at Willow Hill Reservoir in Folsom, CA, run as two loops of rolling hills with separate women's and men's categories and age-group records.
A 5 Mile walk and run on October 17 2026 with apple treats at the finish and proceeds supporting the Strive Scholarship program.
Trail runs near Carson City offering 5K, 10K and a 21K listed as 14 miles on mixed fire roads and single track with steep and technical sections.
A community 5K in Bolton, CT on 10/17/2026 along the Hop River rails to trails, with a $30 entry donated to Project Purple to support pancreatic cancer awareness.
A Last Person Standing race on a 4.167 mile loop at Westminster Park in Rock Hill, SC, with hourly loops, a pavilion aid station, crew spots, and handmade awards.
A trail 5k run/walk at Birchfield Park in Holt on October 17, 2026, with age group awards, guaranteed shirts while supplies last, group pricing options, and proceeds benefiting Island City Academy.
Trail races of 25K, 10K and 5K at Iola Winter Sports Club on October 17, 2026 with on-course aid for longer routes and awards for top finishers.
Trail races of 5K, 12K and 25K at Geode State Park near Danville, IA, with marked courses, on-course aid, finisher geodes and awards including a Top Dog plaque.
A community cross-country 5K in Haddonfield on October 17, 2026 with pre-race packet pickup, onsite registration options, entrant T-shirts, awards by overall and age groups, and accommodations for visually impaired participants.
Marathon and half marathon on the C&O Canal Towpath at Fletcher's Cove in Washington DC with a mostly flat Boston qualifying course and age group awards.