He was eight times Dutch professional champion, the last time in 1932.

He became four times Dutch champion in 1908, 1911, 1916, and 1919.

In 1967, 1969, 1970, 1971, 1973 and 1988 he was the national Dutch champion.

In 2006 and 2007 she was already the Dutch champion at this distance.

Here he became Dutch champion four times in a row (1986-1989).

She was a Dutch champion in golf and played for the national field hockey team.

That year he also became Dutch national all-around champion for the second time in his career.

The first team to win 3 games in the best-of-five-games series would become Dutch champions.

In 2005 and 2006 they became Dutch national champions.

Then he decided to specialise and became a five times Dutch champion.