The club has had competitors in various sports in Iceland, most notably football,[2] athletics and basketball.
UMFS Dalvík was founded in 1909 and was from the start involved in and organized various activities for youth in the Svarfaðardalur area, mostly sports.
In 1978 the club first entered the Icelandic football league, playing in a 3rd division provincial group for two seasons, 1978 and 1979.
UMFS Dalvík re-joined the football league in 1982 starting in the newly formed 4th division.
After the 2005 season the Leiftur/Dalvík partnership broke up and Dalvík joined another rivals, Reynir Árskógsströnd, in forming Dalvík/Reynir.