She has a sensation, almost a numbness in her legs when she runs.

The first Bay to Breakers was held in 1912 because San Francisco was still recovering from the devastating earthquake of 1908.

Kayla has multiple sclerosis, and when she runs she feels nothing in her legs, a numbness.

The first Bay to Breakers was held in 1912 because San Francisco was still recovering from the devastating 1908 earthquake and they need to be cheered up.