The1899–1900 season wasSt Helens' fifth in the Northern Rugby Football Union, the 26th in their history. In their highest ever finish in a rugby league competition, and their most successful season, the club finished fourth in the Lancashire Senior Championship.[1] In theChallenge Cup, St Helens were beaten in the first round by rivalsWarrington.[citation needed] However, they did manage some silverware in the season, by beating league winnersRuncorn 6-0 in the South Lancashire Cup final.[2]