Trail Running calendar near Old Town 2026-2027

A four-evening trail race series at Lory State Park in August 2026 offering short courses from 5K to 12K, chip-timed series scoring and end-of-series awards. Vintage shirts, pizza and beverages are provided after each race.

A midweek trail race at Lory State Park, the 10 km course is part of an August series and features about 1,700 feet of elevation gain, chip timing, series points and postrace pizza and beverages.

A four‑week August trail race series at Lory State Park featuring 5K, 10K and 12K options with varied elevation. Post‑race pizza and beverages are provided and series awards go to top points scorers.

A marathon and half marathon on the gravel Medicine Bow Rail Trail near Lake Owen, Wyoming, held at high elevation. The timed races are staffed with aid stations and support trail upkeep.

Run along Boulder Reservoir on flat, mostly dirt trail courses with sweeping Rocky Mountain views. Choose from 10K, 3 4 marathon, half, full marathon or relay, with USATF certified courses, a shirt and a finisher medal.

Roxborough Ultras features 50K and 50M all trail ultramarathons in Roxborough State Park with sustained climbing, technical terrain, and big elevation gain. August is hot and dry with limited shade and spaced aid stations, so carry water an..

A midweek trail 5k at Lory State Park in Bellvue, Colorado, presented as part of an August series. Chip timing, series points and awards, free vintage shirts for registrants, and pizza and beverages after each race.

A four‑week August trail race series at Lory State Park featuring 5K, 10K and 12K options with varied elevation. Post‑race pizza and beverages are provided and series awards go to top points scorers.

Trail races in Fraser, Colorado on August 22, 2026, offering a Half Marathon and a 5K on unpaved roads and trails. Proceeds support the Shining Stars Foundation and dogs are allowed on leash.

The Staunton Rocks will take place in Pine Junction Area on Saturday 22 August 2026. You can run between 13 and 26 miles.

A four‑race August trail series at Lory State Park featuring 5k to 12k courses, chip timed results and series awards, with postrace food and beverage and vintage race shirts available to registrants.

A remembrance running event in Longmont, Colorado on September 11 and 12, 2026 featuring loop course races from 5K to 100 miles and a virtual option. The event includes aid stations, participant shirts, finisher awards, and on site food for..

Ned Ned Run in Nederland Colorado features a trail Half Marathon, a 10K on dirt roads and single track, and a 5K out and back near Old Town. The event is family friendly, allows leashed dogs in the 5K, and encourages costumes.

Snow Mountain Ranch in Granby Colorado features trail races from 5K to 50KM across dirt trails with varied elevation and mountain views. Loop courses include aid stations, drop bag access, onsite lodging, and a pacer option for the 50KM fin..

A 13.5 mile trail half around Lory State Park near Fort Collins featuring about 2,000 feet of climb, mainly singletrack terrain and a free one mile kids race. Post race breakfast and awards are held at the Soldier Canyon Picnic Area.

Point-to-point trail race in Empire, Colorado with 50K and 22K options, both on dirt single-track and reaching above 13,000 feet. Prior ultra experience is required for the 50K and cut-off times are enforced.

Take on the scenic trails of North Table Mountain Park in Golden and support BeyondHome’s work helping families build stable, self sufficient futures. Enjoy community vibes, stunning views, and artisan awards for top finishers.

A three day trail event at Ben Delatour Scout Ranch near Red Feather Lakes featuring 50 Mile, 50K and Half Marathon courses across mostly singletrack with significant elevation gain, camp facilities and stocked aid stations.

The Estes Epic will take place in Estes Park from Saturday 26 September 2026 to Sunday 27 September 2026. You can run between 21 and 50 kilometers.

The The Bear Chase will take place in Bear Creek Lake Park from Saturday 3 October 2026 to Sunday 4 October 2026. You can run between 3 and 62 miles.