At the 2011 World Athletics Championships Rew finished 24th in the 50 kilometres race walk.

[1] He represented New Zealand in the 50 km race walk at the 2012 Summer Olympics, originally finishing 30th.

[2] With the subsequent ban for a doping offence of Igor Yerokhin (who finished fifth)[3] Rew's placing would be raised to 29th.

[4] At the XXI Gold Coast Commonwealth Games, Rew finished 5th in the Men's 20 kilometres walk, with a time of 1:21:47.

[5] In 2021, Rew finished 16th in the men's 50 kilometres walk at the 2020 Summer Olympics with a time of 3:57:33.