. . . . . "Cycling"@en . . "Leen de Groot"@en . . . . . . . "Leen de Groot in 1968"@en . . . "1104981149"^^ . . . . "Leen de Groot (born 16 April 1946) is a retired Dutch cyclist who was active between 1964 and 1969. He won the Ronde van Drenthe and Delta Profronde in 1967 and the Olympia's Tour in 1968."@en . . "1027"^^ . "1946-04-16"^^ . . "Leen de Groot (born 16 April 1946) is a retired Dutch cyclist who was active between 1964 and 1969. He won the Ronde van Drenthe and Delta Profronde in 1967 and the Olympia's Tour in 1968."@en . . . "1946-04-16"^^ . . . . . . . . . . . . . . . . "Utrecht, the Netherlands"@en . . . . . . . "41404415"^^ . . . . . . . . . . . "yes"@en . . . . . . . . .