The 2026 season is the Castleford Tigers' 101st season in the Rugby Football League and their 19th consecutive season in the top flight of English rugby league. The club are competing in the 2026 Super League and the 2026 Challenge Cup.
This is Castleford's first season under Ryan Carr as head coach, and the team is captained by Alex Mellor.
Supplier: Oxen <br> Main sponsor: CBR Engineering
Castleford announced pre-season fixtures against Featherstone Rovers, Oldham, Leeds Rhinos and St Helens. The Leeds fixture served as a testimonial match for Brad Singleton, and the St Helens match for Matty Lees. The Featherstone friendly was cancelled after the opponents entered administration in December. Castleford had additionally planned to attend a pre-season training camp in Spain and play Oldham as part of the Benidorm Bash rugby league festival, however the event was cancelled by the organisers. The fixture was rearranged to Wheldon Road, although was later postponed due to a frozen pitch.
In November 2025, in the days prior to the Super League fixture release, clubs revealed their schedules for the opening round, Rivals Round, and the . On 27 November, the full Super League fixture list was announced.
Castleford entered the 2026 Challenge Cup in the third round, scheduled to be played in early February prior to the start of the Super League season. As a top flight club, they were guaranteed an away tie against non-Super League opposition. In the third-round draw on 12 January, Castleford were selected to face the winners of the second-round tie between Doncaster and Newcastle Thunder. They were drawn to play St Helens at home in the fourth round.