Colorado · 100 Miles
Leadville Trail 100 Run
Leadville Trail 100 Run is a 100 Miles event held in Leadville, Colorado. It is usually held in August; the exact date hasn't been confirmed in the listing yet. About 800 runners take part across all distances.
- Usually held
- August
- Location
- Leadville, CO
- Field size
- ~800 runners
Race details
- Usually held in
- August (date not confirmed)
- Location
- Leadville, Colorado
- Distances
- 100 Miles
- Field size
- About 800 runners
- Course
- Brutal high-altitude course, 9,200-12,600 ft, ~15,600 ft total climb over Hope Pass
- Registration
- ultrasignup.com
- Official website
- leadvilleraceseries.com
About the Leadville Trail 100 Run
One of America's most legendary 100-mile ultramarathons, a high-altitude out-and-back across the Colorado Rockies.
Rankings and notes
- Rankings and awards
- Iconic 'Race Across the Sky' ultramarathon, held annually since 1983
More upcoming races in Colorado
Keep exploring
- All races in Colorado
- 5Ks in Colorado143 upcoming races
- 10Ks in Colorado63 upcoming races
- Half Marathons in Colorado38 upcoming races
- Marathons in Colorado10 upcoming races
- Races in Oklahoma115 upcoming races
- Races in Kansas99 upcoming races
- Races in Utah112 upcoming races
- Races in Nebraska50 upcoming races
Guides from the RaceRove blog
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 9 min read How to Run a Race in All 50 States How to plan a 50-state running challenge: set your own rules, group states into trips, build a calendar around the seasons, budget for it and keep track of every finish.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Leadville Trail 100 Run: common questions
- When is the Leadville Trail 100 Run?
- The next date hasn't been announced in the listing yet. The race is usually held in August. Check the organiser's website for the official date.
- Where is the Leadville Trail 100 Run held?
- In Leadville, Colorado.
- What distances does the Leadville Trail 100 Run offer?
- 100 Miles.
- How many people run the Leadville Trail 100 Run?
- About 800 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the Leadville Trail 100 Run?
- Registration is handled by the organiser at ultrasignup.com. Entry fees, caps and deadlines are set there.
Plan this race in RaceRove
Save it to your plan, compare it with other races, check typical race-day weather and track your 50-state progress in the interactive app.