This week is a record breaker from the 1970s, Naomi James. She held the record for fastest solo circumnavigation by a woman. Click the link above for the full Wikipedia article.
There is also more information on Naomi James at this site: http://www.solarnavigator.net/dame_naomi_james.htm
Dame Naomi Christine James, Mrs. Haythorne, DBE, Ph.D (née Power; born 2 March 1949) was the first woman to sail single-handed (i.e., solo) around the world via Cape Horn. She departed Dartmouth, Devon on 9 September 1977 and finished her voyage around the globe on 8 June 1978 after 272 days, thus improving Sir Francis Chichester’s solo round-the-world sailing record by two days