RKS Radomsko's most notable achievements is reaching the top division in the 2001–02 season, where they played considerably well in the first half of the season.

In 2003, the club made it to the semi-finals of the Polish Cup, although the club has since hit harder times and, in 2005, experienced relegation from the second tier.

The club is known for the establishment of the Polish former international Jacek Krzynówek.

Their biggest rivals are GKS Bełchatów, mostly due to the close proximity of the two clubs and many years spent in the same divisions.

This article about a Polish football club is a stub.