Originally from Bathurst, Trent Copeland began his career as a wicketkeeper at St George cricket club. In a third grade game, with the front line bowlers exhausted, St George turned to Copeland needing 4 wickets for a win, with the close of play 10 minutes away. Copeland bowled magnificently, taking an astonishing 4/1 from 2 overs. Copeland quickly came up through the ranks of St George, and was the second highest wicket-taker with 61 at 16.62 in the Sydney Grade competition in 2008–09.
He made his first class debut for NSW against Queensland at the SCG on 27 January 2010 and took a remarkable 8/92 in the first innings. It was the second-best figures in a maiden first-class fixture for New South Wales. Copeland took an impressive 35 wickets at 17.57 in a remarkable, debut Sheffield Shield season. Despite playing just 5 games he was the third highest wicket taker behind only Ben Cutting and Peter George who both played the full 10 games – twice as many as Copeland. He was also named in the ACA four-day team of the year two seasons in a row 2009/10 and 2010/11. Copeland replaced Doug Bollinger in the Sydney Thunder Big Bash squad, and his stocks continued to rise.
Copeland made his Test debut for Australia in Galle, Sri Lanka, where he picked up the wicket of Sri Lankan opener Tillakaratne Dilshan, whose wicket he would claim twice more in 5 innings. He scored a vital 23* in the second innings of his debut test, achieving the fourth highest score in the innings.
Aside from his cricketing career, Copeland also represented the Australian College of Physical Education with great aplomb, often being selected for the highly competitive Australian University Games team. Trent represented ACPE at baseball and touch football, and is a scratch golfer.
Copeland is married to Australian Diamonds and NSW Swifts netballer, Kimberlee Green, despite being harshly described by the Australian press as "the very definition of unfashionable".