Trail Running Calendar United States 2025-2026

Event details The My Resolution 5K & 10K takes place on Saturday, December 20, 2025, in San Antonio, Texas. The listed venue address is 23350 Campbellton Rd, San Antonio, TX 78264. The event is described as the first My Resolution 5K &a..

Estrella Mountain Trail Fest offers scenic mountain trails with a half marathon, 10K, 5K and a 10K/5K Challenge. Races start and finish at Desert Rose Trail Head and finishers enjoy music, refreshments and a VIP area.

The Longest Night is an overnight trail and ultra running event at Lakewood Nature Preserve featuring repeated 1.5 mile loops around a barn hub. Choose distances from 10K to 50 miles and run to support the Upstate Running Club Youth Team.

Take on Desert Solstice in Phoenix on December 20, 2025, a 24 hour track endurance meet with 100 mile, 100k and 50 mile ultra options on a certified 400 meter track. Electronic lap timing and shifting directions keep every hour fresh.

Join the Winter Solstice Vertical Challenge on December 20, 2025 at Mt Walker in Quilcene. Run or hike as many 4 mile laps as you like, climbing about 2,100 feet per lap, with aid, photos, and proceeds to the Washington Trail Association.

Choose a 12 hour, 6 hour, 12 hour relay or 5 mile loop at scenic Lake Wailes on December 20, 2025. Field limited to 100, all entrants receive a long sleeve shirt and a lively runners village with hot grilled food.

Tackle rugged single track and breathtaking bluff views at the Lookout Mountain Trail Race on December 20 at Covenant College, GA. Distances from 10K to 50 miles make this a perfect winter trail challenge for every level, benefiting Wild Tr..

The Downtown Dunedin Holiday 5K, 10K, and 15K With Toy Drive is held at HOB Brewing Company in downtown Dunedin, Florida. It offers three distances: a 5K, a 10K (two 5K loops), and a 15K (three 5K loops), all on a fully paved course along t..

Join Paramount Ranch Trail Runs on December 20, 2025 for scenic trail races through the historic Paramount Ranch in Agoura Hills. Choose from 10K up to 50K and enjoy varied terrain, stunning views and a community race day organized by KHrac..

Hit desert singletrack at the Cave Creek Thriller on December 20, 2025, with routes from 5K to a rugged 50K through scenic park trails. Limited to 500 runners, this Desert Runner Trail Series opener offers aid stations and finisher awards.

Experience the Woodside Ramble at Huddart County Park in Woodside CA, a scenic trail run through redwoods and ridge top manzanita. Choose from 10K, half marathon, 35K or 50K for a well marked, chip timed day with aid stations.

Candy Cane Course - Houston, staged by Bodies Race Company, takes place at Brazos River Park in Sugar Land, TX. The holiday-themed running event offers multiple distances: one mile, 5K, 12K, plus a Kids Dash and a Virtual Race, with a Volun..

Take on the Frozen Yeti at Monte Sano State Park on scenic 5 mile or 10 mile trail routes that showcase bluff views, creek crossings and waterfalls. Limited to 400 runners, this winter trail kickoff includes a tri blend race shirt and finis..

Run to the summit at Pilot Mountain on December 20, 2025 with 3 mile and 7 mile courses, limited to 150 runners. Enjoy scenic trails, an embroidered finisher beanie and a warm post race breakfast at the top.

Tackle scenic singletrack along Otter Creek in Brandenburg, KY on Dec 20, 2025, with marathon, 16 mile and 8 mile options. Rolling hills, creekside trails, hot food and carved wooden medals make this a cozy winter trail challenge.

Celebrate the season at the ORRRC Winter Solstice Trail Half in Yellow Springs, Ohio, a scenic trail run. Enjoy chip timed results, aid stations, a finisher award and post race refreshments on friendly trails.

Seth's Fat Ass 50K at Forest Park in Springfield is a friendly challenge of up to ten 5K loops. You have seven hours to run as many laps as you like, grab event schwag and a t shirt, and enjoy the social ultrarunning vibe.

Join Placerville's Holiday Jingle & Mingle Run for a festive outing on the scenic El Dorado Trail with distances for every runner from kids to half marathon. Finishers earn a commemorative medal and the event welcomes families rain or shine..

Celebrate the solstice with the Seward Solstice Run at Seattle's Seward Park, choosing a 4.2 mile or 10k loop through old growth forest on Lake Washington. Enjoy twisty trail fun, an aid station, and a costume contest with prize entries.

Winter Wild Thangs Trail Series at Monte Sano State Park features three winter trail race days with distances from 5 miles to 30K amid bluff views, creek crossings and waterfalls. Expect well stocked aid stations, pizza at the finish and a..