An 8-year-old boy from Lymington is set to take on the ambitious challenge of running the entire 70-mile coastline of the Isle of Wight during the school summer holidays, all while raising money for the RNLI. Charlie, aged 8 years and 4 months, will complete the challenge in stages of around 8 miles at a time, travelling to the Isle of Wight on multiple occasions before picking up where he left off. By the end of the Summer, he hopes to have com…