2026 Ten Sisters Race Series

The Ten Sisters Race Series comprises 10 summer run/walk events held around Dewey Beach, Delaware. Vacationing families often incorporate a race into their beach week. The series begins with the Highway One 5K and continues throughout the summer, attracting thousands of participants and generating funds for local charities. The majority of the events are short road races. Several 5Ks are linked to Dewey Beach landmarks and sponsors, including North Beach, Rusty Rudder, Dewey Beach Liquors, and Outlet Liquors. The series also features the Dewey Color Run, a Dewey Beach Patrol 10K/5K, College Day 5K and Kiddie K, Breast Fest 5K, Summer's End 5K, and the established Gary P. Lister Bottle and Cork Ten Miler and 5K, which concludes the series.