She began her competition career with several seasons behind the wheel of a front-wheel drive Mazda 323 at various regional contests with her grassroots Lo-Fi Racing team. In 2008, she upgraded to a Mitsubishi Lancer and regular co-driver Elise Racette for a full campaign in the two-wheel drive category as Canada's only all-girl racing squad. Together, they finished regional champions, second in Canada, and third in the United States.

Jen continues to compete as a top rally co-driver, although she stepped away from regular driving at the end of the 2008 season. She gained notoriety in the sport for a spectacular X Games crash when her competition vehicle did a front-flip over the 70-foot gap jump.

Jen has competed alongside top drivers including former North American Rally Champion Andrew "ACP" Comrie-Picard (Mitsubishi Evo), up-and-comer "Crazy" Leo Urlichich (Subaru STi), SRT boss Ralph Gilles (Dodge Viper), veteran road racer Steve Millen (Nissan GT-R), and conducted a multi-day rally  pacenotes prerun in Mexico with Baja 1,000 winner Roger Norman.

She has competed at X Games, and various events in Canada, the US and New Zealand.