In her rookie season, Lotholz pushed Kaillie Humphries to 3 World Cup medals.

The following season the duo won 9 medals in as many races, including silver at World Championships, to secure the overall title.

On January 9, 2016, Lotholz was part of the first all-female team to compete against men in a four-person World Cup bobsled race; her teammates were Kaillie Humphries (pilot), Cynthia Appiah, and Genevieve Thibault.

In 2018 Lotholz competed at the 2018 Winter Olympics with pilot Christine de Bruin, where they finished 7th.

Following the Olympic season, Lotholz switched from her role as brakeman to pilot.