Upton was also a member of the Connecticut Huskies teams that won the 2013 and 2014 NCAA Division I Field Hockey Championships.

[4][5] Upton attended An Mhodh Scoil and Crescent College before studying at the University of Connecticut where she gained a BA in Psychology.

[2] During this time she was a prominent member of the Connecticut Huskies teams that won the 2013[12][13][14] and 2014 NCAA Division I Field Hockey Championships.

[22] Upton, along with O'Byrne and Naomi Carroll, played for Harlequins in the 2017 Irish Senior Cup final, losing 1–0 to UCD.

[25][26][27] In 2018 Upton re-joined Catholic Institute as they became founder members of the Women's Irish Hockey League Division 2.

[7][11][34] In January 2017 she was a member of the Ireland team that won a 2016–17 Women's FIH Hockey World League Round 2 tournament in Kuala Lumpur, defeating Malaysia 3–0 in the final.

[18] Upton represented Ireland at the 2018 Women's Hockey World Cup and was a prominent member of the team that won the silver medal.