Alm is remarkable for her dominant running speed, which gives her a great advantage over other competitors at the sprint distance.

Alm won a silver medal in relay at the Junior World Orienteering Championships in Gothenburg in 2008, together with Ida Bobach and Signe Klinting, and received an individual bronze medal in sprint at the 2007 championships in Dubbo.

In 2017, Alm took her first individual forest medal at the World Championships – a silver in the Classic[2] – behind Swedish runner Tove Alexandersson.

In 2018, Alm won her fourth sprint gold medal at the World Orienteering Championship in Riga,[3] and in addition she brought the Danish mixed sprint relay team at the last leg from the seventh position to a bronze medal.

[6] In 2019, she competed in the senior women's race at the 2019 IAAF World Cross Country Championships held in Aarhus, Denmark.