The Leadville Trail 100 Run, on August 16, 2025, is a legendary ultramarathon that has become a hallmark of endurance running. Starting and finishing in Leadville, Colorado, the 100-mile out-and-back course challenges runners with technical terrain, steep climbs like Powerline, and the high-altitude crux of Hope Pass at 12,600 feet. With a total elevation gain of over 18,000 feet, this race pushes even the toughest athletes to their limits. The race’s history dates back to 1983, and it continues to be one of the most prestigious and challenging endurance events in the world.
Races
100 Mile
100 Mile
Race Date:
16 August, 2025
Celebrating its legacy as one of the toughest ultramarathons in the world, the Leadville Trail 100 Run returns on August 16, 2025. With a demanding 100-mile course and 4,799 meters of elevation gain, this race pushes runners through Colorado’s breathtaking yet unforgiving Rocky Mountain terrain.
Weather based on historical averages.
FAQs
What is the Life Time Leadville Trail 100 Run?
How long is the Life Time Leadville Trail 100 Run?
Where does the Life Time Leadville Trail 100 Run take place?
What is the elevation gain of the Life Time Leadville Trail 100 Run?
How can I prepare for the Life Time Leadville Trail 100 Run?
How do I choose the right training plan for the Life Time Leadville Trail 100 Run?
Celebrating its legacy as one of the toughest ultramarathons in the world, the Leadville Trail 100 Run returns on August 16, 2025. With a demanding 100-mile course and 4,799 meters of elevation gain, this race pushes runners through Colorado’s breathtaking yet unforgiving Rocky Mountain terrain.
The Life Time Leadville Trail 100 Run is 161km long.
The Life Time Leadville Trail 100 Run takes place in Leadville, Colorado, USA.
The Life Time Leadville Trail 100 Run elevation gain is 4799 metres, which Runna classifies as a Hilly race.
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Life Time Leadville Trail 100 Run?
Celebrating its legacy as one of the toughest ultramarathons in the world, the Leadville Trail 100 Run returns on August 16, 2025. With a demanding 100-mile course and 4,799 meters of elevation gain, this race pushes runners through Colorado’s breathtaking yet unforgiving Rocky Mountain terrain.
How long is the Life Time Leadville Trail 100 Run?
The Life Time Leadville Trail 100 Run is 161km long.
Where does the Life Time Leadville Trail 100 Run take place?
The Life Time Leadville Trail 100 Run takes place in Leadville, Colorado, USA.
What is the elevation gain of the Life Time Leadville Trail 100 Run?
The Life Time Leadville Trail 100 Run elevation gain is 4799 metres, which Runna classifies as a Hilly race.
How can I prepare for the Life Time Leadville Trail 100 Run?
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the Life Time Leadville Trail 100 Run?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
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Sport:
Running
Tags:
Nature
Altitude
This event listing is for informational purposes only. Runna is not affiliated with, endorsed by, or sponsored by Leadville Trail 100 Run presented by La Sportiva or Life Time, Inc. All event details are based on publicly available information and are provided solely to help users discover running events. Runna does not use any official logos, images, or proprietary content from this event or its organiser. Any trademarks or names mentioned are used descriptively to identify the event in a factual manner. For the most accurate and up to date information (including to register or purchase an entry to the event), please visit the Leadville Trail 100 Run presented by La Sportiva website.
