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Half Marathon calendar near Downtown San Jose 2024-2025

Explore the top half marathons near Downtown San Jose for 2024-2025! We've gathered 44 exciting races in the area. Check out our detailed list below to find your next local race.

August 2025
Aug
16
Saturday

Almaden Hills Trail Run - Summer

Trail Run 5 km 10 km ... 42 km 50 km
October 2025
Oct
4-5
Sa - Su

Rock 'n' Roll San Jose

5 km 10 km 13 mi
Oct
11
Saturday

Santa Cruz Westside Half Marathon

5 km 10 km 13 mi
December 2025
Dec
27
Saturday

Brazen Almost New Year's Eve

5 km 10 km 21 km