Mayra Santos is (born 12 June 1979 in Juiz de Fora, Minas Gerais, Brazil) is an open water swimmer and former competitive swimmer from Santa Cruz, Madeira Island, Portugal. She is a swim guide for Swim Together in Portugal. Open Water Swimming Highlights ?In 2016, she completed a 18 km crossing in the Canary Islands. No Portuguese swimmer had yet accomplished this same swim. ?On 4 September 2019, she completed a 42 km crossing between Porto Santo to Ponta de São Lourenço on Madeira Island in 12 hours 7 minutes 20 seconds at the age of 40, the first woman to do so. ?On 6 November 2020, she set a world record for the Longest Continuous Swim in a Counter Current Pool in Caniço on Madeira Island in Portugal from 10:00 am on 5 November 2020 to 17:07 pm on 6 November 2020 in 31 hours 7 minutes.