Eight-year-old Emily Wangberg with the "Abby's Angels" group gets warmed up by dancing before the start of Sunday's annual JDRF Ron Santo Walk to Cure Diabetes at Independence Grove in Libertyville. | Brian O'Mahoney~for Sun-Times Media

Bannockburn resident Vicki Santo, the widow of Ron Santo, thanks the large crowd for their support before the start of Sunday's annual JDRF Walk to Cure Diabetes at Independence Grove in Libertyville. | Brian O'Mahoney~for Sun-Times Media

Five-year-old Sophia Soler and her mother, Susan Soler, of Gurnee, walk Sunday in the annual JDRF Ron Santo Walk to Cure Diabetes at Independence Grove in Libertyville. | Brian O'Mahoney~for Sun-Times Media

Evanston resident Michael Curtin joins Ethan and Elli Wills, of Arlington Heights, during Sunday's annual JDRF Ron Santo Walk to Cure Diabetes at Independence Grove in Libertyville. | Brian O'Mahoney~for Sun-Times Media

Mike Larsen, a football coach at Highland Park High School, and Highland Park Mayor Nancy Rotering led a large group Sunday in the annual JDRF Ron Santo Walk to Cure Diabetes at Independence Grove in Libertyville. | Brian O'Mahoney~for Sun-Times Media

Buffalo Grove resident Ann Manno and Deerfield resident Tracy Bose walk Sunday in the annual JDRF Ron Santo Walk to Cure Diabetes at Independence Grove in Libertyville. | Brian O'Mahoney~for Sun-Times Media

Chicago resident Peter Graham, and his one-year-old son Liam walk Sunday during the annual JDRF Ron Santo Walk to Cure Diabetes at Independence Grove in Libertyville. | Brian O'Mahoney~for Sun-Times Media

Hoffman Estates 17-year-old Emily Shekleton and Aubrie Ciolino, 18 of Prairie View, participate in Sunday's annual JDRF Ron Santo Walk to Cure Diabetes at Independence Grove in Libertyville. | Brian O'Mahoney~for Sun-Times Media

Four-year-old Cece Gordon gets a piggyback ride from her father, Joe Gordon, of Lake Forest, during Sunday's annual JDRF Ron Santo Walk to Cure Diabetes at Independence Grove in Libertyville. | Brian O'Mahoney~for Sun-Times Media

Riverwoods resident Val Samandas and his children, Jackie, 10, and James, 7, walk Sunday in the annual JDRF Ron Santo Walk to Cure Diabetes at Independence Grove in Libertyville. | Brian O'Mahoney~for Sun-Times Media