Miwok 100K
Race Day Weather
Cool start, moderate winds
Runners will face temperatures starting at 53°F and rising to 64°F, with average humidity at 66% and a dew point of 47°F. Winds from the W will peak at 14 mph, creating moderate conditions throughout. To optimize performance, runners should consider pacing conservatively at the start to acclimate to the warming trend.
This course climbs 1,759 ft to its high point and back, so we look at it at 2 points, not just the start line. In a typical year, at 9:00/mi, you start at 53° and finish around 2:19 PM in 64°.
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Race Info
The Miwok 100K Trail Race is a 62.2 miles (100.1 km) long ultramarathon that takes place annually in southern Marin County, California, typically on the first Saturday of May.
The race starts and ends in the town of Stinson Beach. Almost all of the course is on fire roads and single-track trails, first to the south of Stinson Beach and then to the north. Runners climb a total of approximately 11,800 feet (3,600 m). Wikipedia
