The SPASM Lake Chabot Trail Run offers an 8K, Half Marathon, 30K, and 50K to challenge a range of athletes.
Starting at the Lake Chabot Regional Park Marina in Castro Valley, CA, the courses take runners around the resevoir and surrounding hills over single-track dirt trails and paved roads.
This event gives participants a safe and organized way to get an up-close look at California’s natural beauty while making new friends along the way.