The Mammoth2026
02.10 – 06.10.2026Mammoth Lakes (United States)
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1 course · 345 km
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The race
A 218-mile footrace through the Eastern Sierra, starting and finishing in Mammoth Lakes, California. This breathtaking loop connects small mountain communities while circumnavigating a 760,000-year-old caldera.
Where to stay
Find a place to stay near Mammoth Lakes for the race.
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