Crystal Springs Winter Trail Run 35K
Race Day Weather
Cool start — fast day potential, warming through the race
A cool 45°F at the start line is ideal for fast times — expect to warm up quickly once you're moving. Temperatures rising to 58°F through the course will gradually increase perceived effort in the second half.
Pace Calculator
Enter a finish time to see what race day does to it.
Get forecast alerts for Crystal Springs Winter Trail Run 35K
We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.
Race Info
The 35K follows the pink and green trails out from Huddart Park toward King's Mountain and returns on the same route. It climbs roughly 3,000 feet beneath redwoods. Runners start and finish at the Werder Shelter in Huddart Park, Woodside, on a Sunday in January.