Trail Running Calendar United States 2026-2027

A timed loop event at Cecil Field in Jacksonville with 3, 6, 9, and 12 hour formats, a flat 1.25 mile paved loop shaded by pine trees, food and a main aid station, and a 4 person relay option for the 6 hour race.

A flat 1 mile loop endurance event in Watertown TN with 6 hour, 12 hour day, 12 hour night and 24 hour divisions, designated personal aid areas, separate ruck and weighted vest categories, and a strict no aid on-loop policy.

Experience a rugged night trail run on a private ranch in Gilmer, Texas. Navigate single track trails and creek crossings under the stars with distances ranging from a 5K to a 50K ultra.

Tiger Trail is a series of 5K events on July 18, 2026 at Lawrenceburg Trail in Lawrenceburg, Indiana. It is organized as SIRC 3, a fundraiser for the Lawrenceburg cross country team, with separate fees and registration dates.

A July 18, 2026 Bozeman event offering a **10-mile** trail loop with 2,838 feet of climbing and a **5 km** rolling dirt road fun run, plus a post-race BBQ, beer, and raffle prizes.

Join this cross country community event in Santa Fe featuring 5K and 10K trail races. With specialized high school team divisions and free races for children of all ages, it is a comprehensive day of running for everyone.

A two lap trail event at McDonough Wildlife Refuge in Vienna WV on July 18, 2026. The course is a 4 mile loop through forest and duck marshes with up to 430 feet elevation gain per loop and at least two aid stations.

High-altitude trail races on Vail Mountain offering 10K and 5K courses that start near Gondola One, feature singletrack and gravel sections, on-course aid stations, post-race refreshments, and age-group awards.

A memorial 5K run and walk at Owen Bell Park in Dayville CT that raises funds for a scholarship for Killingly Ag-Ed seniors. The day includes a 5K, a walk, and a kids fun run on off-road paths with possible trip hazards.

Heatwave Half Marathon in Orlando offers a range of in-person and virtual options from a kids dash to a 13.1 mile race and relay, with shirts, finisher medals and chip-timed results for several distances.

A looped trail ultra at Great Bear Ski Valley near Sioux Falls offering 50k, 30k and 20k options on a roughly 10 km loop with about 1200 feet of climb per loop.

Repeating 2 km out and back laps on the Thumb Open Space trail in Estes Park. Participants collect a poker chip at each turnaround and the most chips wins during a sunup to sundown timeframe; 35 spots and a $100 entry fee.

Timed 3 hour and 6 hour races on a measured 2.425 mile loop through shaded woodlands at Route 66 State Park. The event is cupless with the Forest Shelter as the main aid station and requires personal hydration and lights for night running.

Trail races in Hartford, Vermont, through the Hartford Town Forest and Conservation Area. Courses mix logging roads, packed trails, and single track, with a 5K mostly downhill and a 10K that earns Western NH series points.

A roughly 50 km trail ultramarathon on the southern Massanutten range with about 5,700 feet of elevation gain, six aid stations, and a post run gathering at the Route 211 commuter parking lot. Entry is limited to 75 runners.

A 5K run/walk along the Bear River in Petoskey, Michigan, featuring a footbridge and riverside gravel trail with a shaded final mile; proceeds support the Northern Michigan Cancer Crusaders and awards are given by age division.

A running event at Charlestown Park offering a five person relay and a solo ultra challenge on a roughly 2.2 mile loop. Teams and solo runners compete to cover the greatest distance with cash awards for top finishers.

An overnight relay event at Kroger Field in Lexington offering marathon, double marathon and 12 hour ultra relay options. Proceeds support cancer patient care and the event is cupless, so participants should bring their own cup.

A 100-minute looped running event at Williams Park in Gibsonburg where laps are recorded on a 0.9 mile loop. Entry is $25 and proceeds support a local foundation; all finishers receive awards and post-run food is provided.

A roughly 3-mile obstacle trail run at Joint Base Lewis-McChord on 18 July 2026, with waves of 25 released every five minutes and entry capped at 1,500. Packet pick-up includes a shirt, medal, bib and a post-race beverage ticket.