[1] Football Association of Finland has awarded Lehtovaara as the Referee of the Year in 2015–2016 and 2018–2021.

Lehtovaara has refereed in the Finnish women's premier division Kansallinen Liiga and the men's second and third tiers Ykkönen and Kakkonen.

[2] In 2022, Lehtovaara refereed the 2022 UEFA Women's Champions League Final between FC Barcelona and Olympique Lyon.

Her brother is the former football goalkeeper Gustav Långbacka.

This biographical article relating to Finnish football is a stub.