Races in Castro Valley, United States
Find running events in this area
21 upcoming races
View Race Calendar 2026
Half Marathon
2026 Lake Chabot Trail Challenge (Half Marathon & 5K)
Jun 7
Castro Valley, United States
13 mi
Lake Chabot Trail Challenge (13 mi)
Jun 7
Castro Valley, United States
5K
2026 Lake Chabot Trail Challenge (Half Marathon & 5K)
Jun 7
Castro Valley, United States
3 mi
Lake Chabot Trail Challenge (3 mi)
Jun 7
Castro Valley, United States
Half Marathon
The Rock the Loch 5K/10K/Half Marathon (LIVE or Virtual)
Jun 28
Castro Valley, United States
10K
The Rock the Loch 5K/10K/Half Marathon (LIVE or Virtual)
Jun 28
Castro Valley, United States
5K
The Rock the Loch 5K/10K/Half Marathon (LIVE or Virtual)
Jun 28
Castro Valley, United States
Half Marathon
Bad Bass - Castro Valley
Jul 18
Castro Valley, United States
5K
Bad Bass - Castro Valley (5 km)
Jul 18
Castro Valley, United States
Ultra (50 km)
Skyline 50k Endurance Run (50 km)
Aug 2
Castro Valley, United States
Ultra (100 km)
Dick Collins Firetrails (100 km)
Sep 26
Castro Valley, United States
Ultra (50 mi)
Dick Collins Firetrails (50 mi)
Sep 26
Castro Valley, United States
Marathon
Dick Collins Firetrails
Sep 26
Castro Valley, United States
Marathon
Lake Chabot Trail Run (26.2 Miles)
Nov 7
Castro Valley, United States
Ultra (50 km)
Lake Chabot Trail Run (50K)
Nov 7
Castro Valley, United States
30 km
Lake Chabot Trail Run (30K)
Nov 7
Castro Valley, United States
2 mi
Lake Chabot Trail Run (2 Miles)
Nov 7
Castro Valley, United States
0.0 mi
Lake Chabot Trail Run (0.028 Miles)
Nov 7
Castro Valley, United States
5K
Lake Chabot Trail Run (3.1 Miles)
Nov 7
Castro Valley, United States
Half Marathon
Lake Chabot Trail Run (13.1 Miles)
Nov 7
Castro Valley, United States
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