Following rule changes agreed at the end of the 2018 season, the Super 8's format has been abandoned and the Championship will feature a play-off system leading to promotion to Super League for one club while results during the regular season will lead to relegation to League 1 for two teams.

The 2019 Championship comprised 14 teams, which all played one another twice in the regular season, once at home and once away, totalling 26 games.

Toronto also won the RFL Championship Leaders' Shield, after finishing top of the league and completing a 100% home record, and only losing 1 game all season.

[2] The Championship is made up of 14 teams, 11 of whom featured in the 2018 Championship; one, Widnes Vikings, who were relegated from Super League; and two, Bradford Bulls and York City Knights, who won promotion from League 1 in 2018.

At the end of the 27 game regular season, the top five teams enter a four-round play-off.