Delaware Hospice 5K Run and Memorial Walk. 6:30 p.m. at the Delaware Hospice Center, Milford. Info: races2run.com.
Beach Paper Firecracker 5K Run and Walk, at Grove Park, Rehoboth Beach. 7:30 a.m. Info: seashorestriders.com.
Dave Reynolds Swim/Run Biathlon. Half-mile ocean swim with the current, then 5K run. Rehoboth Beach Patrol headquarters, Baltimore Avenue and the boardwalk. 8 a.m. Pre-register only. Info: seashorestriders.com.
Firecracker 5K run and walk, to benefit the July 4th parade in Bethany Beach. 7:15 a.m. on the boardwalk at Garfield Parkway. Info: BethanyBeach5k.com.
Outlet Liquors 5K at the Rusty Rudder, Dewey Beach. 7:30 a.m. King and Queen of Dewey Beach Pageant follows the run. Info: races2run.com.
Red, White & Blue 5K, at the Rehoboth Beach Country Club. 7:30 a.m. Fun 1K run for kids, 7:20 a.m. After-party behind the clubhouse, facing the Rehoboth Bay. Info: races2run.com.
Michelob Ultra Gold Kelly J. Fritchman Memorial 5K. 7:30 a.m. at Irish Eyes Pub, Lewes. Also a free run for children 8 and younger, starting at 7:20 a.m. Benefits the Kelly J. Fritchman Swimming Scholarship at the University of Delaware. Info: races2run.com.
Dewey Beach Liquors at the Ivy 5K. 7:30 a.m. at the Ivy restaurant, Dewey Beach. One of the Ten Sisters of Dewey Beach Road Race Series. Info: races2run.com.
Race for the Ribbon 5K run and walk, to benefit two Cape Henlopen High School students who are undergoing treatment for cancer. 7:30 a.m. at Wilmington Avenue and the boardwalk in Rehoboth Beach. After-race party at The Greene Turtle on the boardwalk. Info: seashorestriders.com.
Seashore 5-Mile Run. Starting at Gordons Pond, north of Rehoboth Beach, at 7:30 a.m. Benefits the Seashore Strider Youth Cross Country Team. Info: seashorestriders.com.
Believe in Tomorrow 5K run and walk, to benefit the Believe in Tomorrow Foundation, which offers respite to families with sick children. 6:30 p.m. at Big Chill Beach Club at the Indian River Inlet. Party follows at the Big Chill. Info: believeintomorrow.org.
Santa Sprint 5K. 7:30 a.m. at the Northbeach restaurant, Dewey Beach. Benefits area nonprofit organizations. Info: races2run.com.
Run for J.J. 5K run and walk starts at 7:30 a.m. at Stuart Kingston, on the north end of the boardwalk, Rehoboth Beach. Course goes through Henlopen Acres. Proceeds benefit the Joseph Jeffrey Stein III Foundation. Info: seashorestriders.com.
Dam Mill 5K. 7:30 a.m. at Cupola Park in Millsboro. This is the 36th year for this race. Info: seashorestriders.com.
Penn State Day 5K. 7:30 a.m. at Northbeach restaurant, Dewey Beach. Participants welcome to wear their college colors. Kiddie run starts at 7:50 a.m. Info: races2run.com.