Foster's first cap was against New Zealand in 1996,[4] though her most memorable game was at her first Canada cup in 1996 when she scored three tries.[3] She scored her first try at the 200 Can-Am test match.[5] The winger also played on the first national sevens team at the 1997 Hong Kong Sevens and earned 10 caps with the program.[4][3] During her decade long international career, came to an end in a match versus France.
Foster has been an active coach in high school rugby since 1995, while also coaching the under-16 and under-18 at the 2012 and 2018 Western Canadian Championships, respectively.[4] Since 2008, has coached at the club level with the Regina Rage. From 2013 to 2015, she coached the Saskatchewan women's team (one year combined with the Manitoba squad). Since 2012, Foster has coached at the university level with the Regina Cougars women's 7s side. Her fiancé Darren Beaulac coaches the Saskatchewan Women under-18 side; they have a son together.[3]