In 2016, Horgmo began to move himself up the ranks of the EMX125 championship as the season progressed, including scoring a second position in race two in Great Britain.

This would be a standout season for Horgmo, where he picked up three overall podiums in the EMX125 class of the 2017 European Motocross Championship, which included his first overall win at the French round.

[5] In addition to this, Horgmo was able to be one of the leading competitors in that years FIM Junior World Championship, where a second place in race two was enough for him to take home the bronze medal.

[7] Once he recovered, he made his debut in the MX2 class of the 2019 FIM Motocross World Championship in Czech Republic, scoring a tenth place in the second race.

[8] It proved to be a tough season for Horgmo, where he struggled to adapt to the team and picked up three top-ten races finishes on the way to eighthteenth in the final standings.

After such a strong season, Horgmo signed for the F&H Kawasaki team for a full-time return to the MX2 class in the 2022 FIM Motocross World Championship.

Despite consistently finishing in the top-ten he struggled to push up as high as he had in the previous season until the Swedish round where he was able to take the qualifying race win.

Horgmo signed for the Team Ship to Cycle Honda Motoblouz SR squad to make his MXGP class debut in the 2024 FIM Motocross World Championship.

[12] In the competitive MXGP class, Horgmo consistently finished in the top-ten throughout the season, battling with factory riders and achieving a best overall result of sixth at the first Indonesian round.