A 600m-out-and-back children's race on Issos beach for two age groups, 6-9 and 10-12, starting five minutes after the main 7km race. A parent or guardian must submit a health declaration allowing the child to take part (form available on korissos.gr). Followed by a beach handball side event for elementary and middle school students, open to organized teams or age-based pickup groups; minors must be accompanied by a parent or guardian. Online registration is free via korissos.gr until Thursday, September 3, 23:30, with on-site sign-up on race day until 15:00. Contact: Nikos Perros, 6932660482.