Leadville Trail 100
Race Day Weather
Mild start, warm finish, adjust pace
Runners will face a temperature rise from 49°F at the start to a warm 72°F by the end. Winds will be mild, starting with headwinds at various intervals before shifting to tailwinds towards the finish. Given the humidity at 53%, a conservative start is advised, especially through the hilly sections from miles 11 to 12. Hydration should be prioritized, particularly in the second half as temperatures increase.
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Race Info
The Leadville Trail 100 Run (aka The Race Across The Sky or the LT100) is an ultramarathon held annually on rugged trails and dirt roads near Leadville, Colorado, through the heart of the Rocky Mountains. First run in 1983, the race course climbs and descends 15,600 feet (4,800 m), with elevations ranging from 9,200 to 12,620 feet (2,800–3,850 m). In most years, fewer than half the starters complete the race within the 30-hour time limit. Wikipedia
