[1] Kench first made state selection for New South Wales in the 2018 men's youth eight which contested and won the Noel F Wilkinson Trophy at the Interstate Regatta within the Australian Rowing Championships.

[6] Kench made his Australian representative debut in a quad scull at the 2016 World Junior Rowing Championships in Rotterdam.

[7] Kench moved into the U23 Australian men's eight in 2019, racing in that boat to a sixth place finish at the 2019 U23 World Rowing Championships in Sarasota, Florida.

[7] Kench was selected in the Australian senior team for the 2022 international season and the 2022 World Rowing Championships.

[7] The crew won through their repechage to make the A final where they raced to a third place and a World Championship bronze medal.