After convincing her parents to let her embark on the biggest solo sailing venture of her life, a teenager became the youngest person ever to single-handedly sail 1,600 nautical miles around Britain. Katie McCabe, 14, is the tiller of her very own boat—the beautiful turquoise vessel “Falanda.” In August, she broke the record previously held by Timothy Long of Aylesbury, England, who completed the same trip at the age of 15. Katie started from her hometown of Topsham, Devon, on June 30, and finished the journey 7 1/2 weeks later. She was escorted into the dock by a fleet of 20 boats and welcomed home by a cheering, waving crowd. Completing the expedition, she shared her elation on Facebook, posting: “Wow, what a return! Tonight I can officially say I have sailed single-handedly around Britain, something I have been dreaming of doing since forever!” Traveling counterclockwise, Katie charted an epic course: passing the …