Half-Marathon races near Castro Valley, California — 2026 running calendar
5 events found
Nov
07
Lake Chabot Trail Run
Castro Valley, California, United States
Free - $90.00
Trail running
Running
7.7K
Half-Marathon
30K
Marathon
+4
Apr
24
SPASM Lake Chabot Trail Run
Castro Valley, California, United States
Free - $90.00
Trail running
Running
8K
Half-Marathon
28.8K
Marathon
+2
Jul
18
Bad Bass
Castro Valley, California, United States
Running
Half-Marathon
10.3K
5.4K
Jun
26
The Rock the Loch 5K/10K/Half Marathon (LIVE or Virtual)
Castro Valley, California, United States
Running
Trail running
5K
10K
Half-Marathon
+2
Jun
07
2026 Lake Chabot Trail Challenge (Half Marathon & 5K)
Castro Valley, California, United States
Trail running
Half-Marathon
5K
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
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