別府大分毎日マラソン
Vriend twice won the Amsterdam Marathon, in 1983 and 1984. He also won the Enschede Marathon in 1981 and the Beppu-Ōita Marathon in Japan in 1984. He is the Dutch record holder for the relatively obscure 25,000 m and 30,000 m track events, both of which he set on 22 August 1981.