[1] She competed in her first international races at the 2016 Winter Youth Olympics in Lillehammer, where she secured a gold medal in the mixed relay alongside Marthe Kråkstad Johansen, Fredrik Qvist Buchner-Johannessen, and Sivert Guttorm Bakken.

[2] Between 2016 and 2021, she participated in approximately a dozen international youth and junior events.

At the Norwegian Biathlon Championships in 2022, Øygard, together with her brother Harald and teammate Vebjørn Sørum, won the mixed relay, marking the first victory in this event for the province of Oppland.

She earned a fifth-place finish in the sprint event at Geilo, shooting cleanly, though she fell short of the podium by one minute, finishing behind Paula Botet, Marlene Fichtner, Johanna Skottheim and Chloé Chevalier.

[4] After her successes in the second stage of the IBU Cup, Øygard was called up to the main national team for the World Cup stage in Hochfilzen, Austria, as a replacement for Ingrid Landmark Tandrevold, who is missing the event due to heart problems.