Lisa Lyttelton, Dowager Viscountess Cobham (born 30 December 1958 as Lisa Clayton) is the first British woman to sail single-handed and non-stop around the world. She was educated in Birmingham at the Church of England School for Girls, Edgbaston, and the University of Birmingham. On 17 September 1994 Clayton set out to attempt two world records, namely "Fastest Sail Around the World by a Woman, Single-Handed Without Assistance" and "First British Woman to Sail Single-Handed and Non-Stop Around the World." She returned on 29 June 1995, after 285 days at sea.