[3] In the domestic Women's National Basketball League (WNBL), Allen has played for the Dandenong Rangers (2009–2010), Australian Institute of Sport (2010–2012), Melbourne Boomers (2012–2015) and South East Queensland Stars (2015–2016).

[5] Alongside the WNBL, in Australia Allen played with the Knox Raiders for the 2013 SEABL Season where the team took home the Championship.

[6] After her success at the World Championship, where she won a bronze medal, Allen signed as a free agent with the New York Liberty for the 2015 WNBA season.

[8] Shortly into the 2015 season, Allen suffered a season-ending right knee cartilage injury and decided to return home to Australia to undergo surgery.

[10] On 3 February 2024, the Connecticut Sun traded Allen to the Phoenix Mercury in a sign-and-trade deal in exchange for Moriah Jefferson.

[4] Following good form in preliminary lead-up games, Allen was selected to represent the Opals at the 2014 World Championship held in Turkey where she would make her national team debut.

[20] Allen, like all the other members of the 2020 Tokyo Olympics Opals women's basketball team, had a difficult tournament.