United States close

Trail Running Calendar United States 2026-2027

Header image

Explore the best trail runs in the United States for 2026-2027! Our updated list features 3986 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!

December 2026
A six-race Winter Grand Prix of two mile road, track and cross country events in 2026-2027 with series prizes from New Balance and Super Jock n Jill.
Community races at Fairhaven Park offering 5k, 10k and a free Little One's Run with holiday costumes, awards, refreshments and a shoe recycling collection.
Experience a 5k trail race through the scenic woods of Haverford Reserve with post race refreshments and long sleeve shirts for pre registered participants.
Christmas themed trail races at Silver Springs State Park offering 5K and 10K distances with race shirts, finisher medals, and age group awards.
Trail 5K with a 90 foot ascent called The Rock plus a 1 mile fun run at Woodland High School in Cartersville, GA; pre-registration and race-day fees apply.
Trail races at Roosevelt State Park offering 7-mile and 14-mile single-track courses with race awards and proceeds supporting park programs.
An in-person half marathon on Runyon Canyon trails in Los Angeles on Saturday, December 5, 2026, with tickets listed at 0.00 USD.
A 24 hour trail run at Sit Stay Dog Watching in Springboro, OH with a roughly 1 mile loop, free entry with optional donations, medals, and a cash pot for the top distance.
Trail running event in Oklahoma on December 5, 2026 with 5K, 10K, half and full marathon options; all registration fees support Hope is Alive.
Nighttime orienteering at Island Lake with a 2 hour Score O format, map provision, per group entry fees, and recommended outdoor gear.
Trail races at Fountainhead Regional Park on December 6, 2026 offer 4.8 mile and 10.5 mile courses with aid stations, porta-johns, race swag, and a supervised kids program.
A trail race day at East Fork State Park with a 6.55 mile singletrack loop offering quarter, half and full marathon distances and stocked aid stations.
Gingerbread Lane at John Paul Landing Park in Cypress features Kids Dash, 1 Mile, 5K, 10K and a virtual option with shirts, medals and a holiday costume contest.
Caloosa Fest in Alva, Florida offers a Half Marathon and a 5K held on the Caloosahatchee Regional Park mountain bike trails, featuring single track, grass sections, aid stations, packet pickup options, and on-site vendors.
Trail races at Mead's Quarry in Knoxville include a half marathon, a 10K and a kids one mile on mixed technical singletrack and flowing mountain bike trail. The half marathon has a four hour limit and aid stations with small cups.
Holiday races at Stars & Stripes Park offering Kids Dash, untimed 1 mile, chip-timed 5K and 10K, a virtual option, awards, and a holiday costume contest.
A multi-distance trail event at FDR State Park offering 10K, 19, 40 and 46 mile options plus a virtual 400 mile challenge on rocky, rolling trails.
An urban 50K and 50 mile fat ass run from Twin Peaks in San Francisco, with volunteer aid stations and a four hour forty five minute cutoff at mile 25.
Three distances on the C&O Canal path in Washington, DC, with chip timing, finisher medal, a virtual option, and series points for multiple race series.
A memorial 5K on Baker Beach honoring a longtime DSE member, featuring a mixed surface course with a wooden bridge and parking at the upper lot.
Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.