Martijn Keizer

Martijn Keizer (born 25 March 1988) is a Dutch former professional road racing cyclist, who competed professionally between 2007 and 2017 for the, , , and teams.

Major results

 * 2005
 * 1st MaillotHolanda.PNG Time trial, National Junior Road Championships


 * 2006
 * 1st MaillotHolanda.PNG Time trial, National Junior Road Championships
 * 5th Road race, UEC European Junior Road Championships


 * 2007
 * 1st Overall Tour du Haut-Anjou
 * 1st Young rider classification
 * 1st Stage 2 (ITT)
 * 5th Overall Les 3 Jours de Vaucluse


 * 2008
 * 6th Overall Tour du Haut-Anjou
 * 8th Overall Thüringen Rundfahrt der U23


 * 2009
 * 3rd Time trial, National Under-23 Road Championships
 * 7th Overall Vuelta Ciclista a León
 * 9th Overall Tour of Turkey


 * 2010
 * 1st MaillotHolanda.PNG Time trial, National Under-23 Road Championships
 * 1st Stage 2 (ITT) Tour de Bretagne
 * 1st Prologue Circuito Montañés
 * 5th Overall Circuit des Ardennes
 * 5th Overall Olympia's Tour
 * 9th Liège–Bastogne–Liège U23


 * 2011
 * 1st Boucles de l'Aulne
 * 3rd Time trial, National Road Championships
 * 3rd Duo Normand (with Jens Mouris)
 * 8th Overall Four Days of Dunkirk


 * 2013
 * 1st Jersey polkadot.svg Mountains classification Ster ZLM Toer


 * 2015
 * 2nd Overall Tour de l'Eurométropole
 * 8th Overall Driedaagse van West-Vlaanderen