Grefsenkollen Opp
MAY
20
2026
Read all about the Grefsenkollen Opp on 20 May 2026 in Frydenberg.
Wed 20 May 2026
Always double-check with the organizer's website! This page may contain affiliate links.
About the race
The Grefsenkollen Opp will take place in Frydenberg on Wednesday 20 May 2026. Visit the organization's website for the most recent information.
