In 1985, it had been 22 years since the last
Elfstedentocht. The event is skated on natural ice in
Friesland, at a distance of . On 21 February 1985, van Benthem won the 13th Elfstedentocht. Van Benthem entered the final stretch of the race into
Leeuwarden together with Jan Kooiman, Jos Niesten and Henri Ruitenberg, all marathon speed skaters. Van Benthem won the sprint, completing the race in 6 hours 47 mins, an average of . ==Elfstedentocht 1986==