Per-Olof Serenius

Per-Olof "Posa" Serenius (born 9 March 1948) in Hedemora, Sweden, is a Swedish former ice speedway rider. He is notable for winning two World Individual Championship gold medals in ice speedway.

Biography
Serenius was a fireman by profession. Already an experienced motorcyclist, he began to compete in ice speedway racing in 1976 after witnessing a World Championship ice speedway competition in Berlin. His career racing record includes two World Individual Championship gold medals, three World Team gold medals, 32 World finals, 22 national championships and eight Nordic Championships. He participated in the documentary film Icy Riders from 2008. In 2016, Serenius was named an FIM Legend for his motorcycle racing achievements.

Ice World Championship

 * 1978 Assen, 13th
 * 1979 Inzell, 8th
 * 1980 Kalinin, 15th
 * 1981 Assen, 13th
 * 1982 Inzell, 2nd
 * 1983 Eindhoven, 9th
 * 1984 Moscow, 10th
 * 1985 Assen, 10th
 * 1986 🇸🇪 Stockholm, 7th
 * 1987 Berlin, 11th
 * 1988 Eindhoven, 8th
 * 1989 Almaty, 6th
 * 1990 🇸🇪 Göteborg, 4th
 * 1991 Assen, 2nd
 * 1992 🇩🇪 Frankfurt, 5th
 * 1993 🇷🇺 Saransk, 6th
 * 1994 10 Rounds GP, 2nd
 * 1995 10 Rounds GP, Champion
 * 1996 10 Rounds GP, 6th
 * 1997 Assen, 6th
 * 1998 10 Rounds GP, 5th
 * 1999 10 Rounds GP, 10th
 * 2000 Assen, 11th
 * 2001 8 Rounds GP, 11th
 * 2002 8 Rounds GP, Champion
 * 2003 6 Rounds GP, 9th
 * 2004 8 Rounds GP, 9th
 * 2005 6 Rounds GP, 11th
 * 2006 4 Rounds GP, 12th
 * 2007 6 Rounds GP, 17th
 * 2008 6 Rounds GP, 10th