Davis High School students, from left, Jessica, Sarah, Sophia and Essenche get ready to run in the 2013 Yolo County Children's Alliance Family Fun Run. Courtesy photo

Runners sprint away from the starting line at the 2013 Yolo County Children's Alliance Family Fun Run at the UC Davis Arboretum. Courtesy photo

The Otani-Wong family from Davis warm up in advance of the fun run in 2013. From left are Ellison Wong; Marissa Wong; Dr. Yvonne Otani, a physician with Kaiser Permanente; and Dr. Elliott Wong, a physician with the Sutter Medical Group. Courtesy photo