Lamble competes in the 20 km Road Walk event.[1][2]
Lamble competes in club competitions for Melbourne University Athletics Club.[1][2][8] She has an athletics scholarship with the Australian Institute of Sport,[1][2][3][4] earning a scholarship in 2009.[1][4] While training at the Australian Institute of Sport, her training partners include Jared Tallent and Nathan Deakes.[1] She is coached by Brent Vallance.[1][2] She has also been coached by Simon Baker, and Dave Blackwood.[2]
Lamble competed at the 2010 World Junior Athletics Championships in Moncton, Canada, where she finished in seventh place.[9] In April 2011, she competed in Taicang, China, where she set her first Olympic A Qualifying time in the 20 km Road Walk event.[1] At the 2011 World Athletics Championships in Daegu, Korea, Lamble finished 15th in the 20 km Road Walk event with a time of 1:33.38[1][2][5] in her Australian national team debut race.[2]
Lamble came 16th at the 2012 Summer Olympics in the 20 km Road Walk event[9] and came 9th at the 2016 Summer Olympics in the same event.[9]