| Lennart Stekelenburg | |
| Fullname: | Lennart Stekelenburg |
| Strokes: | Breaststroke |
| Club: | Nationaal Zweminstituut Amsterdam |
| Birth Date: | 22 October 1986 |
| Birth Place: | Rotterdam, Netherlands |
| Weight: | 78kg (172lb) |
Lennart Stekelenburg (born 22 October 1986) is a Dutch swimmer who specialises in breaststroke. He is the current national record holder in the 50 m, 100 m and 200 m breaststroke at the long course and is part of the 4 × 100 m relay team who hold the Dutch long course record.
After winning a silver medal in the 50 m breast and a bronze medal in the 100 m breast at the European Junior Swimming Championships 2004 in Lisbon, Portugal. Stekelenburg made his international senior debut at the 2005 World Aquatics Championships in Montreal, Quebec, Canada where he was eliminated in both 50 m and 100 m breaststroke. In the following years he swam several European Championships making his best performance at the 2008 European Aquatics Championships in Eindhoven in his home country the Netherlands, ending up 6th in the 50 m breaststroke final after swimming a national record in the semi-finals.
Stekelenburg qualified for the 2009 World Aquatics Championships during the Swim Cup Eindhoven 2008, in early December, with a national record at the 100 m breaststroke. One week later he took part in the European Short Course Swimming Championships 2008 in Rijeka, Croatia where he ended 8th in the 100 m breaststroke but was eliminated in the heats of the 50 m and 200 m breaststroke.
| valign=top align=left |
| valign=top align=left |
| |||||||||||||||||||||||||||||||||||