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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 3840 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
A fall trail race at Mt. Tom State Park on October 24, 2026, with single and relay options from 5k to 25k on rugged single-track terrain. The event supports Kestrel Land Trust and includes aid stations, medical crews, and awards.
Hixon 50 is a two-day trail running weekend in Hixon Forest near La Crosse, Wisconsin. It offers races from a kids event and 5K and 10K up to 25K and 50K on singletrack with Mississippi River Valley views.
Howloween 5K in Schaumburg is a chip timed 5K run or walk at Busse Woods that supports animal shelters. Pets may join without registration and a virtual participation option is available.
Spooky Sprint in Houston is an annual Halloween themed running event on 10/24/2026 offering distances from a 50 m kids dash to a half marathon, plus a virtual option, chip timing, shirts, and finisher medals.
A 5K on October 24, 2026 at Stratham Hill Park that runs along Great Bay and benefits Great Bay Stewards; the mostly downhill course includes a race shirt for timely registrants and a bib with a beer or cider coupon.
Trail races at Bothe Napa Valley State Park offering marathon, half marathon, 10K and 5K on single track with streams and hills, limited to 300 participants.
Experience the seasonal beauty of Clayton County at the Pony Hollow Trail 15K and 5K. Run through the historic Motor Mill park area and enjoy the autumn foliage on this established trail course.
A night trail run at Explore Park in Roanoke using the XCO course in reverse, featuring a short road section and twisty single-track marked with reflective arrows and glow sticks.
An urban ultramarathon through New Orleans neighborhoods and lakefront, offering 50 miles, 50K, and a half marathon with on-course aid and pacer support.
Trail ultramarathon and team relays in Rothrock State Forest near Boalsburg PA on Oct 24, 2026 with loop courses and staffed aid stations.
A two-day trail running weekend in McMullen Cove with a certified 5K, 25K and 50K, notable mountain terrain, aid stations, and proceeds supporting childhood cancer research.
Evening community races at Woods Park with a 1 mile for youth and a multiple loop 5K on grass, plus food trucks and planned donations to the Lincoln Food Bank.
A marked trail competition in Prince William Forest Park offering a 25 km one loop and a 50 km two loop option with on course aid stations. Entry opens September 15, 2026 and the field is limited to 110 runners.
A Halloween-themed 5K trail run/walk at Meridian Early College High School in Sanford, MI supporting the Meridian Band Department. Chip timed with costume prizes, awards for top finishers, glow-in-the-dark medals and goodie bags.
Oakland Hills Trail Run features 10K, half marathon and 35K courses through Redwood Regional Park with technical trails, marked routes, aid stations and chip timing. The event is cupless and limited to 330 runners.
On October 24, 2026, the New Hope Wesleyan Ultra Trail Run offers four trail distances at O'Bannon Woods State Park, featuring single-track forest trails, rocky sections, notable elevation changes, aid stations, timing, and awards for top finishers.
A costumed community event at Lincoln Park featuring a trail 5K, kids dashes, and a virtual shirt option to support South Seattle College Cooperative Preschools. Registration includes a Monster Dash shirt and the 5K includes a timed bib.
The 14th Annual Gopher Weedon 8K Trail Run on October 24, 2026 follows 8 kilometers of dirt and boardwalk trails through Weedon Island Preserve, with professional timing, refreshments and proceeds benefiting Friends of Weedon Island.
A volunteer-run 5K and 8 mile race along the Shoreline Trail in The Colony, Texas, with crushed granite surfaces, chip timing, race day amenities, and proceeds that support UT Southwestern cancer research.
A community fundraising trail event at Crozet Park offering a 5K, a limited 10K with a creek crossing, and a 0.75-mile family run. The day includes T-shirts, a pancake breakfast, a post-race festival, live music and proceeds for local trails.
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