ZombieRunner Halloween Marathon
San Jose, CA, USA · October 31, 2026
Race Day Weather
56°at start
71° high
Breezy
Dry
Warm afternoon, steady breeze
Runners will face a temperature rise from 56°F to 71°F, with a steady wind from the SW at 9 mph. Humidity will remain moderate at 51%, with a dew point of 45°F. As temperatures climb, runners should consider adjusting their pace in the warmer segments and stay hydrated.
Race day forecast available in 164 days
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