Tove Alexandersson has won gold medals at world championships in five different sports plus a silver medal in a sixth sport. She is a Swedish foot orienteer, ski orienteer, skyrunner, trail runner, ski mountaineer and skysnow runner. Alexandersson has won a total of 19 gold medals at the World Orienteering Championships and 10 gold medals at the World Ski Orienteering Championships. In 2018, she won the Sky Marathon event at the Skyrunning World Championships, in her second skyrunning race ever. In 2021, she won the combined discipline at the World Championships of Ski Mountaineering, and in 2023 she won a silver medal in the up and down discipline at the World Mountain and Trail Running Championships. In 2024 Alexandersson won all three events in the SkySnow World Championships in her first such event ever. She competes for Stora Tuna OK in orienteering and Alfta-Ösa OK in ski orienteering. Alexandersson holds the record for the number of gold medals in a row at the World Orienteering Championships, winning 11 in a row between 2018 and 2022.

The World Orienteering Championships is an annual orienteering event organized by the International Orienteering Federation. The first World Championships was held in Fiskars, Finland in 1966. They were held biennially up to 2003. Since 2003, competitions have been held annually. Participating nations have to be members of the International Orienteering Federation (IOF).