Mark Warnecke (born 15 February 1970 in Bochum, North Rhine-Westphalia) is a German former breaststroke swimmer who, at age 35, won the world title in the 50 m breaststroke at the 2005 World Aquatics Championships in Montreal. That made him the oldest swimming world champion since 1971. He started for the German swimming club SG Essen.

Mark Warnecke

Personal information
Full name	Mark Warnecke
Nationality	German
Born	(1970-02-15) 15 February 1970 (age 54) Bochum, North Rhine-Westphalia, West Germany
Height	1.87 m (6 ft 2 in)
Weight	100 kg (220 lb)
Sport
Sport	Swimming
Strokes	Breaststroke
Club	Sportgemeinschaft Essen
Medal record Men's swimming Representing  Germany Event 1st 2nd 3rd Olympic Games 0 0 1 World Championships (LC) 1 0 0 World Championships (SC) 2 0 0 European Championships (LC) 2 2 1 European Championships (SC) 9 2 3 Total 14 4 5 Olympic Games 1996 Atlanta 100 m breaststroke World Championships (LC) 2005 Montreal[1] 50 m breaststroke World Championships (SC) 1995 Rio de Janeiro 100 m breaststroke 2000 Athens[2] 50 m breaststroke European Championships (LC) 1999 Istanbul 50 m breaststroke 2000 Helsinki 50 m breaststroke 1999 Istanbul 100 m breaststroke 1999 Istanbul 4×100 m medley 1995 Vienna 4×100 m medley European Championships (SC) 1994 Stavanger 50 m breaststroke 1994 Stavanger 4×50 m medley 1998 Sheffield 50 m breaststroke 1998 Sheffield 4×50 m medley 2000 Valencia 50 m breaststroke 2002 Riesa 4×50 m medley 2003 Dublin 4×50 m medley 2004 Vienna 4×50 m medley 2005 Trieste 4×50 m medley 1998 Sheffield 100 m breaststroke 2002 Riesa 50 m breaststroke 1993 Gateshead 50 m breaststroke 2003 Dublin 50 m breaststroke 2003 Dublin 4×50 m medley

He competed in four consecutive Summer Olympics for his native country, starting in 1988 in Seoul, South Korea, where he was a member of the 4×100 m medley relay team, that finished in fourth position. Eight years later he won the bronze medal in the 100 m breaststroke, at the 1996 Summer Olympics in Atlanta, Georgia.