United States
- Alabama 47
- Alaska 22
- Arizona 102
- Arkansas 26
- California 342
- Colorado 140
- Connecticut 46
- Delaware 9
- District of Columbia 11
- Florida 135
- Georgia 107
- Hawaii 3
- Idaho 24
- Illinois 88
- Indiana 62
- Iowa 43
- Kansas 34
- Kentucky 43
- Louisiana 28
- Maine 33
- Maryland 60
- Massachusetts 53
- Michigan 115
- Minnesota 60
- Mississippi 16
- Missouri 72
- Montana 37
- Nebraska 17
- Nevada 31
- New Hampshire 45
- New Jersey 54
- New Mexico 27
- New York 157
- North Carolina 130
- North Dakota 1
- Ohio 110
- Oklahoma 28
- Oregon 71
- Pennsylvania 181
- Puerto Rico
- Rhode Island 11
- South Carolina 55
- South Dakota 11
- Tennessee 69
- Texas 180
- Utah 86
- Vermont 34
- Virginia 149
- Washington 110
- 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 3940 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
Loop based trail event at Half Day Forest Preserve where runners repeat a 3.1 mile loop, stop after any loop with no penalty, and receive official timing for each completed loop for combined results.
A six hour trail challenge of repeated 5K laps every hour, where finishing all six earns the OUTLAST medal and national leaderboard placement.
A community cross country event at Cherokee Farm in Knoxville featuring a fully grass 2 mile course open to all ages. Weekend divisions include elementary through college and proceeds support Tennessee Endurance and the UT Running Club.
Freedom 250 2.5K Trail Race at Pulaski County Park on August 29, 2026 features winding trails and rolling hills. The event acknowledges National Overdose Awareness Month and lists a $25 registration fee.
A 5k trail run at Copper Mountain starting at 11,000 feet, held during the Union Peak Festival with music and festival activities afterward.
A college alumni running day at St. Vincent College on August 29, 2026 featuring a 5K, a new 1.6 mile option, and a free quarter mile Kids Fun Run. Registration fees vary and additional donations are welcome.
A ranch-based running event in Harrison, Montana offering a 1K calf run, 5K, 10K, Tough Udder obstacles and a virtual option, with on-course water stations and event swag.
An informal 6 hour trail race in Enoree, SC on August 29, 2026, organized by G.O.A.T. Trail Running; course and support details are not disclosed.
A free community run at Piestewa Peak where participants climb the summit repeatedly during a six hour window. On-course refreshments, giveaways, and Everyday Ultra coaches run alongside participants.
A fundraising obstacle event at Lexington High School featuring a two-loop 5K with repeated obstacles and a 1 mile fun run with slip n' slide elements. Proceeds support the Lexington Cross Country team and registrants receive a race shirt.
Trail races of 5k and 10k run through the Ozark Mountains at Howler Bike Park on August 29, 2026. The routes cross rugged, uneven trails and pass native rock and forest features.
Run at the Farm at Denton Farm Park features a scenic 5K on mixed grass, gravel, and paved surfaces with notable hills. The day also includes a community 5K followed by preseason middle and high school 3K and 5K races.
A mud run held with the Apache County Fair in Saint Johns, AZ on August 29 2026, featuring competitive and family races. Pre registration is $15 per person until August 26 with day entries at $20 and a 20% team discount.
Clothing optional 5.5K and 1 mile fun run at Sunny Rest Resort featuring mixed trail and road courses, resort access, and age group awards.
A 5 mile trail race on Hell Canyon Trail near Custer SD with an initial climb, creek crossings, a downhill finish, and post-race refreshments.
Trail races at Summit Bechtel Reserve in Oak Hill, WV include a 10K and half marathon on winding, technical summer trails. The event is part of a Spartan OCR festival weekend and uses gun time for results.
A 10 km trail loop in Perkinsville VT along the Black River with a shallow river crossing, mixed grassy trails and dirt roads, and post run refreshments.
A community race day at Cumberland Fairgrounds with a farmer’s market and music. Events include mile races, a kids 200 meter gallop and an open 5k that finishes on the horse track.
Trail marathon and half through Kennedy State Forest with age and gender staggered starts, cupless aid stations, and substantial elevation gain.