4sq SUs Belgium: The first edition, during which 37 cyclists had to cover not less than 330km, was organized on May 25th, 1913 . Ever since, the race has always been full of heroism, triumph and tragedy.
4sq SUs Belgium: 2300 m cobbled road, 19 altimeters. Used to be part of the Roman road between Cologne (DE) and Boulogne-sur-Mer (FR). Featured in many Flemish cycling classics and protected as immovable heritage.
4sq SUs Belgium: 2100 m cobbled hill, 92 m altimeters, average gradient 4%, maximum gradient 11,6%. One of the longest cobbled climbs of the Tour of Flanders. Must be climbed three times in the latest editions.
4sq SUs Belgium: 1200 m uphill road, 65 altimeters, average gradient 6.3%, maximum gradient 15%. In 2019, Ladeuze was part of the Tour of Flanders for the second time in history.
4sq SUs Belgium: 18th century 1800 m cobbled road, named after the hamlet of Haaghoek. Featured in many Flemish cycling classics and protected as immovable heritage.
4sq SUs Belgium: 950 m uphill road connecting Michelbeke to Sint-Maria-Oudenhove. 65 altimeters, average gradient 7.2%, maximum gradient 12%. Featured in many Flemish cycling classics.
4sq SUs Belgium: The penultimate climb in the Tour of Flanders until 2011, de Muur ("Wall"), having an average gradient of 9.3%, often played a decisive role in the heroic cobbled cycling classic, aka Flanders' Finest
4sq SUs Belgium: 920 m uphill road, 85 altimeters, average gradient 7.7%, maximum gradient 14%. The top, at 131 m, is located in the Muziekbos. Featured in many Flemish cycling classics.
4sq SUs Belgium: 350 cobbled uphill road, 45 altimeters, average gradient 12%, maximum gradient 20%. This legendary hill is probably the steepest in the Flemish cycling classics. Classified as a protected monument.
4sq SUs Belgium: 550 m cobbled uphill road, 62 altimeters, average gradient 11.6%, maximum gradient 22%. Another legendary hill in many Flemish cycling classics, feared by many. Classified as a protected monument.
4sq SUs Belgium: 820 m cobbled uphill road, 59 altimeters, average gradient 7.6%, maximum gradient 12.8%. Featured in many Flemish cycling classics and classified as a protected monument.
4sq SUs Belgium: 530 m cobbled uphill road, 33 altimeters, average gradient 6.1%, maximum gradient 16%. This 'Tough Hill' is featured in many Flemish cycling classics and is classified as a protected monument.