**Golden State Half Series: **Take on California’s 13.1 Challenge by completing, in consecutive order, the Livermore Half, the Town’s Half, and the SoFi Golden Gate Half. Runners must complete the half marathon distance in each of the three events in consecutive order, starting with any of the three events.**Golden State 5K Series: **Runners must complete the 5K distance in each of the three events in consecutive order, starting with any of the three events.