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50K races in Castro Valley, California

2026 and 2027 race calendar. 2 upcoming, updated daily.

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2 upcoming
Sport
AllRunning3Trail3
Distance
Any5K410K2Half marathon6Marathon250K2
November 2026

Lake Chabot Trail Run

Castro Valley, California, United States
Trail5KHalf marathonMarathon50K4.8 miles+1
April 2027
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