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 3923 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
An Alice in Wonderland themed night event at Echo Canyon State Park featuring a 1.8 mile reservoir loop and multiple unusual race formats from timed loops to dice-based team runs.
Trail race in Kirksville with 10K and 5k courses on Royal Oaks Ridge and Rainbow Basin, with proceeds supporting the Forest Lake Area Trail System.
Carney, MI hosts a Farm 5K on wooded trails and a Mail Pouch Beer Mile where competitors drink four beers and run four quarter-mile laps; 21+ only.
Unity 5K Lakeside is a community run and walk on 08/22/2026 in Lakeside, Arizona following the Turkey Track loop to Walnut Creek with a post event lunch at Woodland Lake Park.
A 5k in Owosso that mixes running with timed fitness stations. Two divisions offer set standards or self selected scaling, heats of a few athletes, event tanks and awards across competitive, masters and youth categories.
A trail race at Northland Arboretum on August 22, 2026 offering a Half Marathon and 10K on forested, off road trails with chip timing, aid stations, race shirts, and limited entries.
The 21st Annual Martha Walker Wild Duck is a 5 km cross country race at Guajome Regional Park in Oceanside, California. It is the opening race of the 2026 Dirt Dogs XC Series and includes a race flyer and course maps.
Trail running at Krause Springs, Spicewood with 5k to 50k distances plus a youth run, aid stations, medals, on-site activities, and a cupless format. The event is postponed due to severe weather; transfer and reschedule options are offered.
A community event at Riverwood Nature Center offering a 5K trail run and a 1 Mile nature walk with a kids scavenger hunt and a K9 unit demonstration. The 5K has a $30 entry fee and a t shirt guarantee for pre registration.
A community trail series meeting one Saturday each month through the summer, with three mornings and a sunset closing. Participants pick their own distance and return to a shared tent for breakfast, drinks, and company.
A backyard ultra in McLeod, ND with a loop of about 4 miles 880 feet (6.7056 km). Runners start each lap together once per hour and the last runner to complete a lap wins.
A five kilometer trail run and a one mile run or walk in downtown Crane, Missouri, hosted by Discover Crane with proceeds to the Crane City Pool. Packet and T shirt pickup available; register by August 2 to guarantee a shirt.
A free, non-competitive 50-mile group run through St. Augustine on Aug 22, 2026, with flexible distances, coaching support, post-run refreshments, and event giveaways.
A charity event at Medomak Valley High School with an untimed 1 mile walk, a 5K trail race, and a virtual 5K, with proceeds benefiting Boston Children’s Hospital.
Clothing optional 5K and 1 mile thirsty/beer mile at Oakwood in Stacy, Minnesota, held August 22, 2026. Adults 18 or older may participate, and the beer mile requires age 21 or older.
A community run and walk at Millicoma Marsh with a 5 km run, 2 km walk, post-race awards, and a stewardship event supporting the local marsh.
Seven cross country races at Spring Canyon Park in Fort Collins, including high school and middle school events plus a community 5K, with proceeds supporting Rocky Mountain High School Cross Country.
An inaugural BVA 5K trail "fun" run through New Lisbon and Garrattsville on August 22, 2026, based at Butternuts Beer and Ale as part of Butternut Valley Days.
Four trail races in Evergreen range from 5K up to a half marathon, with varied meadow and mountain courses, shuttle service at Alderfer, and onsite amenities.
A 5K and 10K event at Leopold’s Preserve in Broad Run on August 23, 2026 with virtual options and a Sippin Series tie to the Farm Brewery.