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Half Marathon calendar near Castro Valley 2024-2025

Explore the top half marathons near Castro Valley for 2024-2025! We've gathered 76 exciting races in the area. Check out our detailed list below to find your next local race.

December 2024
Dec
7
Saturday

Zombierunner Quarry Lakes

Trail Run 5 km 10 km ... 30 km 26 mi
Dec
14
Saturday

Summit Rock Half Marathon

Trail Run 5 km 10 km 13 mi
Dec
14
Saturday

Hark the Herald Half Marathon

Trail Run 10 km 13 mi
Dec
21
Saturday

Inside Trail - Woodside Ramble

Trail Run 10 km 13 mi 35 km 50 km
Dec
28
Saturday

Brazen Almost New Year's Eve

5 km 10 km 13 mi
Dec
30
Monday

Brazen New Year's Eve

Trail Run 5 km 10 km 13 mi
January 2025
Jan
1
Wednesday

Brazen New Year's Day

Trail Run 5 km 10 km 13 mi
Jan
4
Saturday

Hacienda Hills Trail Run - Winter

Trail Run 5 km 10 km ... 26 mi 50 km
Jan
12
Sunday

Crystal Springs (Winter) Trail Run

Trail Run 8 km 13 mi ... 26 mi 50 km
Jan
25
Saturday

Coyote Hills Half Marathon

Trail Run 5 km 10 km 13 mi
February 2025
Feb
1
Saturday

Mt. Umunhum Trail Conquest - Winter

Trail Run 5 km 7 mi ... 26 mi 50 km
Feb
1
Saturday

Golden Gate Trail Run

Trail Run 8 km 13 mi ... 26 mi 50 km
Feb
15
Saturday

Bay Breeze - San Leandro

Trail Run 5 km 10 km 13 mi
Feb
22
Saturday

Montara Mountain Trail Run

Trail Run 10 km 13 mi ... 26 mi 50 km
March 2025
Mar
1
Saturday

Victory Half Marathon

5 km 10 km 13 mi
Mar
1
Saturday

Sanborn Trail Challenge

Trail Run 4 mi 8 mi 13 mi
Mar
2
Sunday

Livermore Valley Half Marathon

13 mi
Mar
8
Saturday

Race to the Top of Mt. Umunhum

Trail Run 13 mi
Mar
15
Saturday

Zoom San Francisco

5 km 10 km 13 mi
Mar
22
Saturday

South Hills Single Track Trail Run - Spring

Trail Run 5 km 10 km ... 26 mi 50 km