Running Race Calendar in California, United States near Castro Valley

Lake Chabot Trail Run

Castro Valley, California, United States

Nov 7, 2026 (Sat)

Free - $90.00

Trail running, Running

7.7K Half-Marathon 30K Marathon +4

Brazen New Year's Day

Castro Valley, California, United States

Jan 1, 2027 (Fri)

$50.00 - $95.00

Running

5K 10K Half-Marathon REMOTE RUNNER

Brazen New Year's Eve

Castro Valley, California, United States

Jan 1, 2027 (Fri)

$50.00 - $95.00

Running

5K 10K Half-Marathon NYE REMOTE RUNNER

SPASM Lake Chabot Trail Run

Castro Valley, California, United States

Apr 24, 2027 (Sat)

Free - $90.00

Trail running, Running

8K Half-Marathon 28.8K Marathon +2

Bad Bass

Castro Valley, California, United States

Jul 18, 2026 (Sat)

Running

Half-Marathon 10.3K 5.4K

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

Castro Valley, California, United States

Jun 26, 2026 (Fri) – Jun 29, 2026

Running, Trail running

5K 10K Half-Marathon +2

2026 Lake Chabot Trail Challenge (Half Marathon & 5K)

Castro Valley, California, United States

Jun 7, 2026 (Sun)

Trail running

Half-Marathon 5K