Mezue ahịrịokwu na-esonụ: Bart van Est (amụrụ 1 November 1956) bụ onye na-agba ịnyịnya ígwè Dutch lara ezumike nká nke na-arụ ọrụ n'etiti 1976 na 1983. Ọ bụ onye otu ndị Netherlands meriri asọmpi ahụ.
1978 UCI Road World Championships n'asọmpi oge otu. O merikwara na Ronde van Noord-Holland (1977) na usoro nke Olympia's Tour (1977 na 1978).