Leadville Trail 100

Leadville Trail 100
Name	Leadville Trail 100
Date	August (annual)
Location	Leadville, Colorado, Lake County, Colorado
Distance	100 miles
Established	1983
Type	Ultramarathon, Trail race

Leadville Trail 100 The Leadville Trail 100 is an annual 100-mile ultramarathon held in Leadville, Colorado in Lake County, Colorado. The race traverses high-altitude trails and dirt roads in the Rocky Mountains, challenging runners with extreme elevation and alpine conditions. Participants, organizers, and communities from across the United States, Canada, United Kingdom, Australia, and other countries regularly converge for the event.

Overview

The event is organized by a team that has included figures from Leadville Trail 100 Race Series, local governments such as Lake County, Colorado, and sanctioning or affiliated entities like USA Track & Field and various ultrarunning clubs. The route connects landmarks including Mount Elbert, Mount Massive, and the Continental Divide while passing near historic mining sites associated with Leadville Mining District and Tennessee Pass. Media coverage has appeared in outlets like Runner's World, Outside (magazine), The New York Times, ESPN, and documentary features produced by independent filmmakers and broadcasters.

History

The race was founded in 1983 by local businessmen and endurance enthusiasts inspired by mining-era trails and Leadville, Colorado's high-altitude heritage. Early editions attracted mountaineers and distance runners from scenes associated with Western States Endurance Run, Hardrock Hundred Mile Endurance Run, and regional events in Colorado. Over decades the race has intersected with personalities from endurance sport such as Dean Karnazes, Scott Jurek, Ann Trason, Karl Meltzer, and promoters connected to Trail Runner Magazine and Ultramarathon World. Changes in course design, entry lottery systems, and qualifying standards have echoed developments at events like Boston Marathon, Comrades Marathon, and Vermont 100.

Course and Route

The course departs from downtown Leadville, Colorado and climbs to alpine passes near Hope Pass and sections of the Colorado Trail. Runners traverse mining roads related to Climax Mine and sections near Turquoise Lake, with high points approaching elevations comparable to Mount Elbert and Mount Massive. The route's terrain includes talus, jeep roads, singletrack, and high-altitude tundra similar to trails in Rocky Mountain National Park and San Juan Mountains. Weather patterns influenced by the Continental Divide can produce storms similar to those hitting Independence Pass and Loveland Pass.

Participation and Categories

Fields include elite athletes, age-group competitors, veterans, and amateur entrants drawn from ultrarunning communities like American Ultrarunning Association, USATF Mountain Running, and international clubs tied to events such as UTMB and Spartathlon. Entry mechanisms have included invitation, qualification standards comparable to Western States Endurance Run qualifiers, and lottery systems akin to the Boston Marathon entry process. Categories typically include overall men and women, masters divisions reflecting trends in IAAF masters competition, and occasionally relay or team formats modeled after John Muir Trail relay practices.

Records and Notable Performances

Course records and standout efforts have been set by athletes with profiles in ultrarunning history like Matt Carpenter (runner), Tim Twietmeyer, Anton Krupicka, Jared Campbell, and Jean Pommier. Female performances have been highlighted by runners connected to Ann Trason, Courtney Dauwalter, and Nikki Kimball-era competition. Notable international competitors have included athletes from United Kingdom Athletics programs, Athletics Canada, and endurance runners representing Australia and New Zealand. Exceptional attempts have appeared in coverage alongside events like Western States Endurance Run and Hardrock Hundred, and are often cited in ranking lists from UltramarathonWorld and specialty media.

Logistics and Support Services

Race infrastructure draws on local services from Lake County, Colorado agencies, volunteer organizations such as American Red Cross chapters, and partnerships with regional search and rescue teams similar to Colorado Mountain Club volunteers. Aid stations provide hydration and nutrition comparable to standards at Western States Endurance Run, and medical oversight frequently involves providers affiliated with National Ski Patrol or local emergency medical services. Transportation, lodging, and permitting require coordination with entities like Colorado Department of Transportation, San Isabel National Forest, and lodging providers in Leadville, Colorado and nearby towns such as Salida, Colorado.

Impact and Legacy

The event has contributed to the regional economy of Lake County, Colorado and the tourism profile of Leadville, Colorado, influencing trail maintenance partnerships with groups such as Colorado Fourteeners Initiative and heritage efforts connected to the Leadville Historic District. Its prominence has inspired documentary and book treatments similar to narratives about Western States Endurance Run and Badwater Ultramarathon, shaping public perceptions of high-altitude ultrarunning and influencing the training practices of athletes affiliated with Nike, Salomon, and specialty gear brands. The race remains a touchstone in the ultrarunning calendar, intersecting with broader endurance sport culture including events like Comrades Marathon, UTMB, and Spartathlon.

Category:Ultramarathons in the United States Category:Sports in Colorado