Humphries was in second place overnight following the two competition runs yesterday, with Germany’s Stephanie Schneider holding a slender advantage of 0.04sec.

The turnaround was completed in the third run as Humphries, a double Olympic champion in the two-woman event for Canada, posted a time of 59.59.

Humphries, who has competed for the United States since 2019, sealed victory by achieving a track record 59.47 in the final run.

Humphries topped the standings in 3min 59.62sec, having recorded the fastest times in the final three runs of competition.

She becomes the first women’s monobob world champion, with the event added to the World Championships ahead of its Olympic debut at Beijing 2022.

Victory saw Humphries secure double gold at the World Championships in Altenberg, after winning a record fourth two-women bobsleigh title last week.

Schneider finished as the silver medallist in the competition, with the German pilot finishing 0.5 behind.

Germany’s Laura Nolte claimed bronze in a time of 4:00.42, ending 0.8 behind the winner.

Defending champion Francesco Friedrich sealed victory in the four-man bobsleigh with team-mates Thorsten Margis, Candy Bauer and Alexander Schueller.

The quartet led overnight and runs runs of 53.22 and 53.76 proved enough to seal victory in an overall time of 3:35.02.

The victory gave Friedrich a fourth consecutive four-man world title, adding to his two-man success last week.

Freidrich, a two-time Olympic champion, now has 13 world titles in his illustrious career.

Austria's Benjamin Maier, Danut Moldovan, Markus Sammer and Kristian Huber finished as the silver medallists, ending 0.79 behind the winners.

Johannes Lochner, Florian Bauer, Christopher Weber and Christian Rasp of Germany won bronze, ending 1.51 off the winner's pace.