Directions
5K/10K/HALF MARATHON
The start and finish of the 5K/10K/half marathon distances will be at Castle Rock Park in Walnut Creek. The 50K will also finish (but not start) at this park. For custom directions, click on "View Larger Map" and then click on "Get Directions".
50K START
The start of the 50K will be at Round Valley Regional Preserve in Brentwood. For custom directions, click on "View Larger Map" and then click on "Get Directions".
PARKING
Parking will be limited, so please carpool if at all possible!