Sir Charles Blyth, known as Chay Blyth, is a Scottish yachtsman and rower. He was the first person to sail single-handed non-stop westwards around the world (1971), on a 59-foot boat called British Steel.

The Sunday Times Golden Globe Race was a non-stop, single-handed, round-the-world yacht race, held in 1968–1969, and was the first round-the-world yacht race. The race was controversial due to the failure of most competitors to finish the race and because of the apparent suicide of one entrant; however, it ultimately led to the founding of the BOC Challenge and Vendée Globe round-the-world races, both of which continue to be successful and popular.