He graduated from the Dramatiska Institutet in Stockholm in 1989.
He has worked in film since he was 20, and has worked with Roy Andersson, amongst others Runge has directed a number of short films and television productions.
In 1991, he worked on the prizewinning short film "Greger Olsson kjøper en bil", and in 1993, he won an Guldbagge Award for the best directing and script for the film "Om jäg vänder mig om". The film also won a Blue Angel at the Berlin Film Festival in the same year. Her father, Mats, fights desperately to win his daughter back.