Sander Berk
Sander Johannes Gerardes Berk (born July 10, 1979 in Nieuwveen) is a Dutch triathlete. Berk won his first run-bike-run event as a junior on March 26, 1995 in Langedijk. That same year he also became Dutch Junior Triathlon Champion in Waarland and he won triathlon races in Aalsmeer and Spijkenisse. He added another two run-bike-run wins in Molenschot and Uithoorn. In 1996 he won a race in Leiden and he defended his triathlon title in Aalsmeer. After winning a run-bike-run in Steenwijk and a triathlon in Xanten in 1997 he did not succeed in any race in 1998. In 1999, his last year as a junior he became Dutch run-bike-run champion in Venray. He also won a run-bike-run in Uithoorn and a triathlon in Enschede. His senior career started well with a triathlon win in Ouderkerk aan de Amstel as well as a run-bike-run win in Uithoorn. He defended his Uithoorn title in 2001 and also won a triathlon in Vinkeveen. His first international triathlon win as a senior came in South Africa in 2002, when he won the race in Klerksdorp. Besides becoming Dutch national champion in 2003 he also won two triathlons in Leuven and Aalsmeer. In Aalsmeer