[1] Marit Ishol Skogan made her international debut at the 2017 Youth World Championships in Osrblie, Slovakia, where she won the silver medal in the relay alongside Marthe Kråkstad Johansen and Mari Wetterhus, finishing behind the Russian team.

In April 2018, the Norwegian won the gold medal in the relay at the National Championships, representing Nord-Trøndelag with Tonje Skjelstadås and Lotte Lie.

[2] As the second-to-last starter, she hit 19 out of 20 targets and finished 10th in the individual race, placing immediately in the top 10 in her World Cup debut.

Following two more top-20 finishes, the Norwegian earned her first relay appearance in Hochfilzen alongside Juni Arnekleiv, Karoline Knotten, and Ingrid Landmark Tandrevold, where they won the race outright.

The following week in Lenzerheide, she finished 6th in the sprint and improved by three positions in the pursuit, securing her first podium in an individual competition.