Mitch added silver to his previous World Championship long jump bronze, at the 2011 edition in Daegu.
He entered the competition with the four world lead jumps of the year, including an 8.54m leap in Stockholm (SWE) to eclipse the Australian record of Jai Taurima, which had stood since the Sydney Olympics in 2000.
Long jump: 1999 (u12) – 1st, 2000 (u13) – 1st, 2001 (u14) – 1st, 2002 (u16) – 3rd, 2008 – 8th, 2009 – 2nd, 2010 – DNC, 2011 – 1st (8.44), 2012 - DNC
World Championships: 2009 [Berlin, GER] – 3rd (8.37m), 2011 [Daegu, KOR] - 2nd (8.33m)
World Indoor Championships: 2010 [Doha, QAT] – 3rd (8.05m)
National record – Long Jump: 8.54m – Stockholm (SWE), 29/07/2011
Long jump: 8.54m (w:+2.0) - Stockholm (SWE), 29/07/11
World Championship bronze (2009)
World Championship silver (2011)
World Indoor Championship bronze (2010)
National champion (2011)
Current Oceania record holder
Mitchell took five years out from track and field to try his hand at sports including AFl and rugby. He joined coach Gary Bourne in preparation for the 2008 domestic season and with just one year of training under his belt, was selected for the 2009 world championships in Berlin.
Mitchell is studying commerce/law at the university of Queensland.
Three of his 2005 Queensland schoolboy team-mates, Will Genia, Quade Cooper and David Pocock all went to the 2011 Rugby World Cup with the Wallabies.