Trail Running Calendar United States 2026-2027

A timed loop event in Jacksonville, FL on July 18, 2026 offering 3, 6, 9 and 12 hour options on a 1.25 mile flat paved loop with an aid station, on-site food, a 4-person relay option for the 6-hour, and ruck rules.

Hell Mary 6 Hour is a flat 1 mile loop endurance race in Watertown, TN on July 18, 2026. It features 6, 12, and 24 hour divisions, chip timing, assigned 10x10 aid areas, and a strict no aid on the running loop policy.

A two day ultra in West Windsor, Vermont offering 100 mile and 100 kilometer races. 100 mile entrants must meet qualifying time standards, and all entrants must complete eight hours of approved volunteer service or pay a $250 buy out by Jun..

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.

A mountain trail event on July 18, 2026 featuring 10K and 5K courses on Vail Mountain. Courses were rerouted for 2026 and include aid stations, high-altitude terrain, age-group awards, and post-race refreshments.

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.

A multi-distance event at Blue Jacket Memorial Park offering in-person and virtual options, chip-timed 5K/10K/half distances, youth pricing, participant shirts and medals, free photos, and finish-line ice cream.

A trail ultra at Great Bear Ski Valley near Sioux Falls offering 50k, 30k and 20k on a roughly 10k loop with nearly 1200 ft of elevation gain per loop. Aid station and drop bags are at the Bear Den.

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 and 6 hour loop races at Route 66 State Park near Eureka, MO on July 18, 2026. Measured 2.425 mile loop with a 0.333 mile short lap, cupless aid station, night running and finisher medal plus custom socks.

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 run on the Massanutten range with 5,700 feet of climb, six aid stations (two water only), varied terrain and scenic overlooks, finishing with a post-run gathering at the Route 211 commuter lot.

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.

Loop running at Charlestown Park with a team 4 Hour Relay and a solo 4 Hour Ultra Challenge. Teams of five rotate on a roughly 2.2 mile loop while solo runners complete as many laps as possible; cash prizes awarded.

Overnight running relays and ultramarathon events at Kroger Field in Lexington on July 18 to 19, 2026 raise funds for cancer patient support care. Options include marathon relays, a double marathon relay, a 12 hour ultra, and a survivors wa..

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.