Bay Area marathoners run for loved ones who cannot

Robyn Froerer had seen the ghostly blur of faces that materialized at every race, the pictures pinned to runners’ chests — the quick lined up with the dead. While training for the Nike Women’s Marathon in San Francisco, one of the endurance races in the Bay Area that raises funds to fight deadly diseases, Froerer decided to put the source of her own inspiration to work for her fellow runners.