ZombieRunner Halloween Marathon
San Jose, CA, USA • October 31, 2026
Race Day Weather
52°
71° high
Breezy
Dry
Comfortable temps, big temp swing
Mild 52°F temps at gun time mean comfortable early miles without overheating risk. Temps will climb significantly to 71°F by later miles, so expect fading conditions as the race progresses. Light winds shouldn't be a major factor for pacing.
Race day forecast available in 204 days
Pre-raceRace windowPost-race
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