On this second day of London 2012 Olympic prelims, Australia's Emily Seebohm posted a new Olympic record of 58.23 in the women's 100 backstroke, USA's hot favorite Missy Franklin 2nd in 59.37. Sun Yang looked invincible in the men's 200 freestyle, beating USA's Ryan Lochte in the 5th heat with a 1:46.24 to Lochte's 1:46.45. Lithuania's 15-year-old Ruta Meilutyte posted a scorching 1:05.56 in the women's 100 breaststroke, an Olympic textile best they say. America's Matt Grevers looked unbeatable in the men's 100 backstroke, posting the only sub-53 time before helping his team to the 4×100 freestyle final. France's Camille Muffat led the women's 400 freestyle with a time of 4:03.29 ahead of USA's Allison Schmitt in 4:03.31, Pellegrini and Adlington struggling in 7th and 8th. And in the men's 4×100 freestyle, Australia led as expected with a “weapons of mass destruction” time of 3:12.29, Brazil making a huge blunder by not having Cielo help them into the final, instead ending up 9th.