Early decades KFUM's Boldklub Roskilde was founded on 14 May 1929, with its first chairman becoming A. Møller. Brøndby chairman,
Per Bjerregaard subsequently stated, that Roskilde KFUM had proven that they "had a skilled academy, which had supplied players to some of the best clubs in the Superliga". Due to his success abroad, the club has several times received solidarity payments as part of the
UEFA Financial Fair Play Regulations. In December 2019, a
DKK 9 million plan for installing pitches with
artificial turf was initiated by
Roskilde Municipality, giving KFUM's home ground an extra pitch from 2020 and onwards. KFUM Roskilde reached promotion to the
Danish 2nd Division, the third tier of the
Danish football league system, for the first time in club history during the
2019–20 season after the
Danish FA had implemented an expansion of the division from 2021. The promotion was secured on 20 June 2020 after a 1–0 win over
Ledøje-Smørum after a first-half goal by
Rasmus Tangvig. ==Honours and accolades==