The 1951 Challenge Desgrange-Colombo was the fourth edition of the Challenge Desgrange-Colombo. It included eleven races: all the races form the 1950 edition were retained with the addition of Liège–Bastogne–Liège. Paris–Tours moved from a spring slot to an autumn slot. Louison Bobet won the competition by a single point to 1950 champion Ferdinand Kübler. France won their first nations championship.
Races DateRaceCountryWinnerTeamReport19 MarchMilan–San Remo Stella–DunlopReport1 AprilTour of Flanders GannaReport8 AprilParis–Roubaix Benotto-Ursus-FiorelliReport15 AprilParis–Brussels/ Mercier–HutchinsonReport21 AprilLa Flèche Wallonne FréjusReport22 AprilLiège–Bastogne–Liège FréjusReport19 May – 10 JuneGiro d'Italia GannaReport15 June – 23 JuneTour de Suisse FréjusReport4 July – 29 JulyTour de France SwitzerlandReport7 OctoberParis–Tours Report21 OctoberGiro di Lombardia Stella–DunlopReport
Final standings
Riders Cyclist Team Points1 Stella–Dunlop 972 963 904 775 696 687 538 519 4010 37
Nations NationPoints148324743302
References