Trail Running Calendar United States 2026-2027

Trail running and mountain bike races at the Underdown Trail near Merrill, WI feature multiple distances on well marked singletrack with boardwalks, aid stations, awards, and a postrace gathering with music.

A community 5K and a kids 1 mile fun run at Token Springs Elementary on 08/15/2026. The mostly bike-path out and back course runs through The Reserve neighborhood and supports the Sun Prairie West Cross Country Team.

A 5K off-road trail run, walk, and hike at White Barn Farm through Wrentham conservation land. The event is part of the Farm to Trail 5K Series and raises funds to support local agriculture and food pantry donations.

A rugged 5K trail race at Oak Mountain State Park that climbs and descends about 1,100 feet over 3.1 miles on single-track trails including Blue Trail, Outback Highway, and Eagles Nest. Awards include King and Queen, and runners under 40 mi..

Time-based mountain bike and trail run event at Big Hill Trails supporting Northern Hills Area CASA, with 3- and 6-hour race options, team entries, aid stations, participant lunch, camping allowed, and cash prizes for breaking 6-hour bike r..

A 5K chip-timed run and a 3K scavenger-hunt walk through St. Patrick's County Park featuring trail terrain, participant medallions, post-event refreshments, awards by age group, and proceeds that support park programs.

Westminster Trail Race at Standley Lake on August 15, 2026 offers five distances from 5K to 50K on 100% dirt trails with out and back course formats, elevation gain, on course support, and parking at Wayne Carle Middle School.

A 50K trail race in Prescott, Arizona that starts and finishes at Thumb Butte Trailhead. The 31.7-mile course gains about 4,500 feet and passes Thumb Butte, Quartz Mountain and Sierra Prieta Overlook with aid stations on course.

Experience a rolling cross country run through the forests and meadows of the Landis Arboretum. This sanctioned 5K race offers views of the Schoharie Valley and access to scenic trails and gardens.

Bryre Dragon near Blairsville GA offers 100 mile, 40 mile and 40 km trail races on the Duncan Ridge and Coosa Loop with notable elevation, multiple support locations, and defined completion time limits.

A backyard style bingo run around Sunfish Lake on repeated 2.85 mile loops. Runners draw bingo balls after laps finished within a 32 minute window; two card options change total distance and maximum loops.

## Conquer the Wall is an annual uphill running event at Snow Summit near Big Bear Lake. The one mile course rises about 1000 feet from a 7000 foot start and supports Big Bear High School cross country.

A six hour trail endurance challenge in Johnson City TX where runners complete a 5K every hour and must finish each lap within the hour to continue. Finish all six laps to earn the OUTLAST medal and national leaderboard ranking.

Experience the trails of Redwood Regional Park in Oakland. Runners can choose from distances ranging from a 50 yard kids dash to a 50K ultramarathon through scenic ridge lines and redwood groves.

A night trail race at Fontainebleau State Park offering 5 and 10 mile one-loop courses, a single start/finish aid station, mandatory headlight and personal hydration, and a strict leave-no-trace policy.

A fundraising event for Special Olympics on August 15, 2026 at Lake Antoine County Park. Multiple run, walk, and bike distances use Fumee Lake trails and paved lakeside routes; awards, door prizes, and age-group categories are offered.

A 3.1 miles obstacle course through Thomas Jefferson’s Poplar Forest with elite, team, corporate and non-competitive waves. Entry fees support Poplar Forest education and elite competitors must complete all obstacles to qualify for prizes.

A remote roughly 20 mile ridge trail race near Bozeman, Montana, run by volunteers with a lottery limited field. The route is technical and exposed; aid stations are volunteer staffed and participants must carry a water vessel.

Experience a community trail run through Elm Ridge Park benefiting the Rocky Hill Fire Department and Library. This event features a two loop trail course for adults and a fun medal race for kids.

Trail races at New Glarus Woods State Park on August 15, 2026 include 16K, 8K, 5K and a free 1K kids run. Proceeds benefit Friends of New Glarus Woods State Park and awards include age-group prizes plus a 16K consistency award.