Here are 25 pictures from times they have reigned supreme in the famous knock-out competition.
5.
29 APR 1995 - Wigan v Leeds - Rugby League Challenge Cup Final at Wembley - Wigan's Jason Robinson is mobbed by team mates after scoring a try. Wigan won the match 30-10. Photo: Getty
6.
2011 - Ryan Hoffman of Wigan Warriors celebrates by lifting the Carnegie Cup following the Carnegie Challenge Cup Final between Leeds Rhinos and Wigan Warriors at Wembley Stadium on August 27, 2011. Photo: Photo by Brendon Thorne/Getty Images
7.
1992: Gene Miles (centre) of Wigan is tackled by Keith England (right) of Castleford during the Challenge Cup final at Wembley Stadium in London - Wigan won the match 28-12. Photo: Credit: Bob Martin/Allsport
8.
1988: Shaun Edwards of Wigan lifts the trophy aloft after their victory in the Silk Cut Challenge Cup final against Halifax at Wembley Stadium in London. Wigan won the match 32-12. Photo: Simon Bruty/Allsport