[1] Kizer attended Potomac Senior High School in Dumfries, Virginia, where she played all four years as a starting center.

[1] Her high school exploits earned her a scholarship from the Anne & Bob Strahota Director's Circle.

[2] She helped the Fever reach the WNBA Finals in 2015 and tallied a career-best 9.6 points (55.6%) with 3.2 rebounds in 33 games in 2016.

[7] Kizer spent training camp and preseason with the Atlanta Dream prior to the 2019 WNBA season.

[11] For the 2017–18 season, Kizer joined Shandong Six Stars of the Women's Chinese Basketball Association.

[2][13] Kizer started the 2018–19 season with Shandong Six Stars, playing one game before joining CCC Polkowice in Poland in November 2018.

[14] For the 2020–21 season, Kizer joined Della Fiore Broni of the Italian Women's Basketball League.

[2] In September 2024, Kizer signed with Geelong United of the Women's National Basketball League (WNBL) for the 2024–25 season.

[18] Kizer was a member of the USA under-18 team which won the gold medal at the 2008 FIBA Americas Championship in Buenos Aires, Argentina.

[21] On May 14, 2015, it was announced that Kizer would be a member of the Bosnia and Herzegovina women's national basketball team.