[9][12][13][14][15] In 2019, Sinclair married Josef Winders, a fellow University of Waikato alumni and a BMX rider who has represented New Zealand.

[20][21][22][27] In both 2013 and 2014, she was a member of the Waikato Bay of Plenty teams that won Netball New Zealand's national under-23 tournament.

[28][29][30] She made her senior debut for Magic on 1 March 2014 in a Round 1 70–46 win against Mainland Tactix, coming on at centre to replace Courtney Tairi for the fourth quarter.

[24][42][43][44] Between 2011 and 2013, Sinclair represented New Zealand at schoolgirl level, playing in three Trans-Tasman Secondary Schools Netball Tournaments.

[5] Sinclair made her senior debut for New Zealand on 28 January 2017 against Australia during a 2017 Netball Quad Series match.

[8][12][53][54] After missing out on several tournaments, including the 2019 Netball World Cup, Sinclair, now Winders, was recalled for the 2020 Taini Jamison Trophy Series.

[11][18][19][56] On 24 September 2021, Winders captained New Zealand for the third test against England during the 2021 Taini Jamison Trophy Series.