Tumble included trainers who once trained which retired British artistic gymnast?
Beth Tweddle Elizabeth "Beth" Kimberly Tweddle MBE (born 1 April 1985) is a retired British artistic gymnast. She was the first female gymnast from Great Britain to win a medal at the European Championships, World Championships, and Olympic Games.
Helen Don-Duncan Helen Don-Duncan (born 9 June 1981) is an English former competitive swimmer and backstroke specialist who represented Great Britain in the Olympics, FINA world championships, and European championships, and swam for England in the Commonwealth Games. At the 2000 Olympic Games in Sydney, Australia, she came 15th in the women's 200-metre backstroke.