- The Watermelon 5K, 4-Race Series, now in its 21st year, has become an established venue for competition and an annual celebration of fitness. Come and join the fun!!! Ice cold watermelon at the end of every race. All races start promptly at 7:00 AM. Registration may be completed online at Active.com or you can print/mail in your completed registration form with your payment. http://lakelandrunnersclub.org/races/watermelon-series/