This weekend 101 swimmers from 44 countries will take part in the FINA Olympic Marathon Swim Qualifier 2012, the last opportunity to qualify for the London Olympic Games, in Setubal, Portugal. 9 men and 9 women will book a place for the Olympics, big names like David Davies and Daniel Fogg from the UK, Oussama Mellouli from Tunesia, Petar Stoychev from Bulgaria and Natalie Du Troit from South Africa, with the twist that only one can qualify for each country. Women's race on Saturday 9th and men's race on Sunday 10th, possibly live streamed on the internets. See FINA event on Facebook via Keri-Anne Payne.