The 2010 Championship 1 was a semi-professional rugby league football competition played in the United Kingdom, the third tier of the sport in the country.

The exceptions being that the Dewsbury Rams and the Keighley Cougars were both promoted to compete in the 2010 RFL Championship.

Originally, Doncaster and the Leigh Centurions were supposed to be relegated.

However, Gateshead Thunder breached the insolvency laws which meant that it was they, instead of Leigh, who were relegated.

[2] The competition was going to contain 10 teams but one more was added when the Super League team the Crusaders left their home base at Bridgend and moved to Wrexham.