Virtual Lake Chabot Trail Challenge Half Marathon, 10K & 5K - Castro Valley, California - Running

The Virtual Lake Chabot Trail Challenge Half Marathon, 10K & 5K is a Running race in Castro Valley, California consisting of a Half Marathon and 5K and 6.2 Mile Trail Run.

Join Castro Valley Sports Foundation's Run 4 Sports 5K & 10K trail run to help raise funds to continually provide charitable assistance and support for youth sports and athletics in Castro Valley. The 5k and 10k courses are on a packed dirt/gravel trail. The 5k is flat and fast, out and back. The 10k is flat until the S-curve at the 2 mile mark where a 3/10th of a mile long hill begins, leading to gentle slopes, views of the reservoir, and the 10k turnaround point.