Trail Running Calendar United States 2026-2027

A trail race at Alum Creek State Park on June 6, 2026 offering a half marathon, 10K, 5K, 20K relay, a six hour event and a Pack Pass for all 2026 events. Courses start and finish at the marina and use marked mixed terrain routes.

A 5 kilometer run or walk in Joliet on June 6, 2026, starting and ending at Cemeno's, with proceeds benefiting the Pat Clark Cancer Foundation; registration includes a T shirt and finisher medal.

A chip timed five mile trail race at Asbury Woods in Erie on June 6, 2026, featuring boardwalks, packed dirt and single track loops. The day also includes an approximately 1/2 mile kids fun run and free childcare for ages 3 to 10.

Hit the Madrone Trail and soak up Canyon Lake views at the Great Springs Trail Race in Canyon Park on June 6, 2026. Options range from youth one mile to 50K, with after race festivities and proceeds supporting the Great Springs Project.

Trail races in Humboldt Redwoods State Park near Weott, California. Choose the 30K or 10.5 mile course that climbs Grasshopper Peak and finishes among old growth redwoods; the event is cup free and requires a water bottle.

Trail races at RMSC Cumming Nature Center in Naples NY on June 6, 2026 with 25k, 10k and a 3k fun run. The 25k is a single loop through nature center and neighboring wildlife lands with on course aid and a cup free policy.

Night-time trail races at Pedernales Falls State Park in Johnson City, TX on June 6–7, 2026, offering distances from a youth 1 mile to a 60K plus a 10K ruck and sunset 5K. A shirt deadline and a referral cash back program are listed.

Run a flat, fast five mile out and back along the shaded C&O Canal Towpath in Williamsport, MD on June 6, 2026. Enjoy chip timing, tech shirt options and age group awards in a friendly community race.

A mountain trail race in Mt. Spokane State Park with 50k, 25k, and 10k courses starting at Selkirk Lodge. Entry includes food, beer, and a prize purse.

Run Fullerton's inaugural 5K on dirt trails through Brea Dam and along the tennis center and golf course. Afterward enjoy a Health and Wellness Fair with local vendors, fitness demos and food trucks.

Run scenic loops at Tiger Mountain State Forest on June 6, 2026, from a rolling 5K to a half marathon with big climbs and sweeping singletrack descents. Bring hydration for longer distances.

The Mightyssippi 10 Mile will take place in Macalester - Groveland on Saturday 6 June 2026. You can run 10 miles.

Join the ORRRC Challenging Perceptions Adaptive Trail Race at Russ Nature Reserve for an inclusive event for runners, walkers and wheelchair athletes. Pick 1 mile, 2 mile or 5K with staggered starts, chip timed results and refreshments.

Weekend trail races at Salt Fork State Park featuring 50K, 20-mile, and two 10-mile events on a 10.4-mile loop. Awards and finisher swag are provided, and donations benefit Guernsey County Sheriff's Mounted Search and Rescue.

Crater Trail Run in Decorah, IA runs on Van Peenen Park single track trails with distances from a kids mile to a 50K. Aid stations provide water and snacks and proceeds support local schools and trails.

The Dirt Circus - San Francisco will take place in SoMa on Saturday 6 June 2026. You can run between 3 and 5 miles.

Run Fleet Feet's Big Run 5K in Kernersville this June, featuring a community cross country 5K and a one mile fun run for Global Running Day. Expect competitive heats, cash prizes for elites, and proceeds supporting shoes for underprivileged..

The Jack Lake Crazy Eights Trail Run will take place in Deerbrook on Saturday 6 June 2026. You can run 10 kilometers.

A 10 km trail race in Cool, California on June 6, 2026, run on the Olmsted Loop Trail in Auburn State Recreation Area. Registration closes June 3, 2026.

A community 5K and children's run in Clover, South Carolina on June 6, 2026 supporting local families, underprivileged children, and veterans. The event features a DJ, age group medals, free shirts, a kids scavenger hunt and local vendors.