Born in Killarney, Queensland, Hancock played her junior rugby league for the Eastern Suburbs Hornets in Warwick.
[8] On 14 July 2013, Hancock was a member of the Australian side that defeated New Zealand 22–12 in the World Cup final at Headingley Rugby Stadium.
[10] On 2 December 2017, she started at prop for Australia in their 23–16 World Cup final win over New Zealand at Suncorp Stadium.
[13] In Round 1 of the 2018 NRL Women's season, Hancock made her debut in the Broncos' 30–4 win over the St George Illawarra Dragons.
[16] On 24 September, Hancock joined the St George Illawarra Dragons for the 2020 NRL Women's season.