Treble (rugby league)

They beat Leeds Rhinos 22-20 in the 2003 Challenge Cup Final, won the League Leaders' Shield at the end of the season (the first time the current trophy was awarded) and completed the treble by beating Wigan Warriors 25-12 in the 2003 Super League Grand Final.

[2] Huddersfield Giants were the first team to complete the treble in the 1912-1913 season, beating Warrington Wolves 9-5 in the Challenge Cup final.

Wigan won the treble for a record fourth time in the 2024 season, finishing top of the league, beating Warrington 18-8 in the Challenge Cup final and beating Hull KR 9-2 in the Super League Grand Final.

The teams that have achieved this are as follows: NB: Treble information prior to 2002, the start of the Elite One Championship era, is unavailable.

In the UK, Winning the World Club Challenge alongside the treble is often referred to as The Grand Slam or The Quadruple.

In Australia, due to the lack of a primary cup competition, Australian teams (and those from other countries associated with the Australian league) are unable to win the treble, with the only major trophies traditionally available being that of the NRL Grand Final and Minor Premiership (equivalent of the League Leaders' Shield).

Following their Treble victory they beat Brisbane Broncos 20–14 in the World Club Challenge who were the 1993 NSWRL Champions.

[8] Bradford Bulls became the second team to hold 4 trophies, though this was over 2 different seasons, and the first of the Super League era, winning the treble in 2003 before completing the quadruple by beating Penrith Panthers 22–4 in the following year's World Club Challenge.