[1] Her parents are also runners, Czech mother Miriam and Scottish father Eddie Stewart met during a competition in Bolzano, Italy.

[2] She won the women's race at the Cross della Vallagarina held in Italy both in 2019 and in 2020.

In 2019, she competed in the senior women's race at the 2019 IAAF World Cross Country Championships.

[3] In the same year, she also competed in the women's event at the 2019 European 10,000m Cup held in London, United Kingdom.

[4] Stewartová is the Czech national record holder of the women's marathon with a time of 2:25:36 set at the 2023 Valencia Marathon in Spain, and she awaits ratification of her 2024 improved time at the same race.