Career
All four of those Olympic, World, and European silver medals were behind Ard Schenk. In 1973, Grønvold joined the short-lived professional league, winning bronze at the Professional World Allround Championships that year and silver at the Professional European Allround Championships. The professional league was dissolved that same year and that also meant the end of Grønvold"s skating career.
After his speed skating career ended, Grønvold became a speed skating coach.
To put these personal records in perspective, the WR column lists the official world records on the dates that Grønvold skated his personal records. Grønvold has an Adelskalender score of 170.037 points.
His highest ranking on the Adelskalender was a fifth place.