In his prime representative years of 2013 and 2014 he was kept out of Victorian King's Cup crews by his older brother David Webster.

[2] In 2013 Webster was elevated to the Australian senior squad when he coxed the men's lightweight eight to a silver medal at the 2013 World Rowing Championships in Chungju, Korea.

David also coxed at Melbourne Uni Boat Club, had earned a scholarship like Tim to the Victorian Institute of Sport, and was in the Australian senior squad from 2010 to 2015.

[3] The Australian senior eight won at that WRC I in 2014 and the crew steered by Tim Webster placed fourth.

[2] At the 2014 World Rowing Championships in Amsterdam, Webster was up front in an Australian coxed pair which placed third in the B Final for an overall ninth-place finish.