Fons van Katwijk
Dutch cyclist

Alphonsus Wilhelmus Franciscus "Fons" van Katwijk (born 1 December 1951) is a retired Dutch cyclist who was active between 1971 and 1987. He competed at the 1976 Summer Olympics and finished in 17th place in the 100 km team time trial (with Frits Pirard, Adri van Houwelingen and Arie Hassink). He won the Flèche du Sud (1971) and the Kampioenschap van Vlaanderen (1979) and individual stages of the Olympia's Tour (1976), Vuelta a Aragón (1977), Vuelta a España (1978), Étoile de Bessèges (1979) and Ronde van Nederland (1983).
His brothers Piet and Jan, nephew Alain and daughter Nathalie were also professional cyclists.
Begin with the source’s own compact description: “Fons van Katwijk” is dutch cyclist. The dossier treats that line as a proposition to test through Fons, Katwijk and Dutch, not as a finished interpretation.
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Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Jul 1, 2026. The linked authority identifier is Q2164619. VIAF identifies the subject as 33153593663351670142. 1 of 2 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1951, 1971, 1987 and 1976.
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This entry incorporates text from “Fons van Katwijk” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.