Race guides

Half Marathon Races in Castro Valley, Ca

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Found 3 upcoming races•Updated daily•Last updated: Jun 14

The Rock the Loch 5K/10K/Half Marathon (LIVE or Virtual)

📍 Castro Valley, CA•📅 Friday, Jun 26, 2026•2 events

13.1 Miles13.1 Miles

Quick registration

13.1 Miles

Starts 6/26/2026, 4:01:00 AM• Current price: $30

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📍 Castro Valley, CA•📅 Saturday, Nov 7, 2026•1 events

13.1 Miles

Quick registration

13.1 Miles

Starts 11/7/2026, 8:30:00 AM• Current price: $70

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📍 Castro Valley, CA•📅 Saturday, Apr 24, 2027•1 events

13.1 Miles

Quick registration

13.1 Miles

Starts 4/24/2027, 12:30:00 PM• Current price: $70

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