Logo

Lead King Loop 25k

Marble, United States • 14 Sep 2025

Located in Marble, Colorado, the Lead King Loop 25K offers a scenic mountain course through the Elk Mountains, Lead King Basin, and the historic Crystal Mill. The 25K dirt-road route climbs about 2,900 vertical feet over roughly four miles into Lead King Basin, stays around 10,000 feet, then descends back toward the finish at Thompson Park. An 8-mile Quarry Climb option runs along the Yule Marble Quarry Road, framed by Maroon Bells–Snowmass and Ragged Wilderness. Afterward, participants enjoy Slow Groovin' BBQ and a cold beer; kids can run 2.5K. Proceeds benefit Marble Charter School; event run by volunteers. Visit the organization's website for the most recent information.

United States Colorado Marble

Race information

Website
25 km
Lead King Loop 25k
8 mi
Quarry Climb 8 Miler
Kids 2.5k Race
Visit the organization's website for the most recent information.
Trail runs nearby

Rubey Rescue Run

Aspen - 21 mi from Marble

Rubey Rescue Run is a 5K uphill trail race held in Aspen, Colorado. The course climbs Buttermilk Mountain, starting near the base at Buttermilk Mountain Lodge and gaining about 1,700 feet to the Cliff House, offering a timed competition and..

Gothic Mountain Tour

Crested Butte - 17 mi from Marble

Gothic Mountain Tour takes place in Crested Butte, Colorado. It features two ski races: a 23.5-mile competitive course and a 17.85-mile recreational route around Gothic Mountain, finishing on the Crested Butte Nordic trail system at the Mag..

Aspen Backcountry Marathon

Aspen - 21 mi from Marble

Aspen Backcountry - August 1, 2026 The Aspen Backcountry race will take place in Aspen, Colorado on August 1, 2026. The event is hosted next to the Duck Derby fundraising event held annually by the Rotary Club Aspen. The race course offerin..