ZombieRunner Halloween Marathon

San Jose, CA, USAOctober 31, 2026
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Race Day Weather

partly-cloudy-day
52°
71° high
Breezy
Dry

Mild start, warm finish

Runners will face a temperature rise from 56°F at the start to a peak of 71°F. Winds will be light at 9 mph from the WSW, with gusts up to 22 mph. With average humidity at 51%, runners should consider pacing conservatively as temperatures climb and stay hydrated throughout the race.

Race day forecast available in 218 days
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Area Map

Course Map

FAQ

When is the 2026 ZombieRunner Halloween Marathon?

The 2026 ZombieRunner Halloween Marathon will be held on Saturday October 31, 2026.

Historical Weather

Based on 3 years of data
Avg Temp
71°F
L:56° H:71°
RunScore
8
Conditions
Rain Freq
0%
0 of 3 yrs
Wind11mph
Dew39°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
partly-cloudy-day
54°/71°-
8
2024
partly-cloudy-day
57°/67°-
8
2023
clear-day
56°/74°-
9