Koss was number one on the Adelskalender, the all-time allround speed skating ranking, for a total of 1,998 days, divided over three periods between 1992 and 1997. He has an Adelskalender score of 155.099 points.
Koss was number one on the Adelskalender, the all-time allround speed skating ranking, for a total of 1,998. days, divided over three periods between 1992 and 1997. He has an Adelskalender score of 155099 points.