Leadville Trail 100 Run

View on map
Sports & AdventureLeadville
Dates22 August 2026Confirmed listing
Duration1 dayListed event span
Crowd-Public scale varies
Best forCompetition, enduranceAlmost the entire course sits above 10, 000
LanguageLocal language; English access variesCurrency: USD
CategorySports & AdventureFestival type
The story

Leadville Trail 100 Run in Leadville

The Leadville Trail 100 Run is a mid-August ultramarathon through the Colorado Rockies, starting and finishing in Leadville at over 10,000 feet and climbing to 12,532-foot Hope Pass twice. Founded in 1983 as one of the oldest 100-mile trail races in the country, it remains one of the sport's toughest tests, with fewer than half of starters typically finishing within the 30-hour cutoff.

By the early 1980s, Leadville was a mining town running out of mining.
Your trip starts here
What is special

The part that makes it specific.

01

The place changes

Almost the entire course sits above 10,000 feet, and the climb over Hope Pass at 12,532 feet, tackled on both the outbound and return legs, is widely regarded as one of the hardest single sections in American ultrarunning because of thin air and steep, technical trail

02

The mystery stays covered

The race was created in the early 1980s specifically to give Leadville an economic and identity boost after the nearby Climax molybdenum mine closed, meaning the event exists because of the same mining-town history that shapes Boom Days, just channeled into an athletic rather than industrial legacy

03

The city starts moving

With over 15,700 feet of combined climbing and descent and a brutal finishing-rate history, it has become a benchmark race that many ultrarunners train toward for years before attempting

Traditions & symbols

The language of the festival.

What moves first

Living ritual

The race carries forward Leadville's identity as a town defined by extreme high-altitude endurance

Water and renewal

Living ritual

echoing the physical demands nineteenth-century miners faced working at similar elevations

The sacred route

Living ritual

and it anchors a broader Leadville Race Series that now includes a mountain-bike counterpart and training camps

Before you go

Essential information

When to go

22 August 2026

Getting around

Plan arrival around the route or course in Leadville; closures can make normal travel slower.

What to wear

This entry describes spectator and crew attire rather than runner gear: warm layers for cold pre-dawn and nighttime temperatures at altitude, sturdy shoes for standing at aid stations, and...

Safety

For Leadville Trail 100 Run, choose safe viewing points, watch weather and leave extra time around starts, finishes or releases.

Where to stay

Base yourself where the last trip of the day stays easy, especially if Leadville Trail 100 Run runs late.

Tickets/cost

Check official or local sources for ticketed areas, paid stands, and same-year access rules.

Language/currency

USD

Family friendly

unknown

Interactive map37.87 N, 90.53 WOpen in Google Maps

Leadville, CO

Nearest airportSTL — St. Louis Lambert
TransportPlan arrival around the route or course in Leadville; closures can make normal travel slower.
Stay areaBase yourself where the last trip of the day stays easy, especially if Leadville Trail 100 Run runs late.

Your Trip Starts Here

External travel services to turn the plan into a trip — each opens in a new tab.

How to get thereRoutes, times and prices to Leadville via local transport.Search routesFind a place to stayStays near Leadville, close enough for the event-day route.Browse staysFind flightsCompare fares into the nearest practical airport for August.Compare faresFestival gearThis entry describes spectator and crew attire rather than runner gear: warm layers for cold pre-dawn and nighttime temperatures at altitude, sturdy shoes for standing at aid stations, and rain protection, since afternoon mountain storms are common in August.Shop the kitCheck visa requirementsSee whether you need a visa for United States and apply online.Check entry rulesTravel insuranceCover for trip hiccups, gear and health on the road.Get covered

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FAQ

Quick answers.

When is Leadville Trail 100 Run?

Leadville Trail 100 Run is listed for 22 August 2026. Always re-check the official or local source close to travel.

Where does Leadville Trail 100 Run take place?

The festival is listed in Leadville, United States. The map coordinate is a planning reference, not a guarantee of a ticket gate or exact venue.

How long should I plan for?

One day is the listed festival span. Add time for arrival, local transport, queues, and any route changes during the event.

Is a source linked?

Official source linked. Eventisimus separates source confidence from travel suggestions, so check final details before booking.

Where exactly is it?

Leadville, CO

Is it family friendly?

unknown

Sources and editorial review

About this guide

This guide is independently written by Eventisimus using publicly available information, official event and organiser sources where available, local tourism references, and additional editorial research. Eventisimus is not the official organiser of this festival and is not affiliated with it unless explicitly stated.

Festival dates, schedules, ticket conditions, access rules, and local arrangements can change. We aim to present useful and accurate information, but travelers should confirm important details with the official event source before booking transport, accommodation, or tickets.

Found something inaccurate or outdated? Email hello@eventisimus.com with the festival page link and the correction.

Official URLleadvilleraceseries.com
Organizer accessAre you the organizer? Claim this listing →
SourceSource link available
Listed dates22 August 2026
Source statusOfficial source linked
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