In motion: 12 of the best racing photos this week

Peter Sagan celebrates his first Monument victory in the 2016 Tour of Flanders with a trademark wheelie after the finish line.

Tour of Flanders.

Tom Boonen heads to the sign-on stage ahead of the 2016 Tour of Flanders. The three-time winner was looking to make history with a record fourth win in the Monument at the start of the day.

Movistar's Jon Izaguirre celebrates his win ahead of Sergio Henao at the 2016 G.P Miguel Indurain. The race is a precursor for riders ahead of the Tour of the Basque Country on Monday.

Greg Van Avermaet sees his hopes of taking a first Monument win evaporate after a crash at the 2016 Tour of Flanders. The Belgian went down with a number of his BMC teammates and broke his collarbone, ruling him out of next week's Paris-Roubaix.

Lizzie Armitstead climbs the Paterberg ahead of breakaway companion Emma Johansson in the Women's Tour of Flanders. The pair would contest a sprint to the line with the world champion just edging it to take her first win in the Classic.

Salvatore Puccio pushes his bike up the steep slopes of the Koppenberg

Tour of Flanders.

Tiesj Benoot lays prone on the tarmac after a crash in the 2016 Tour of Flanders. The young Belgian was forced to abandon with his injuries.

Ryan Mullen climbs the Muur van Geraardsbergen at the Three Days of De Panne 2016. The climb no longer features in the Tour of Flanders, but was included in the first stage of the Belgian stage race.

Team Wanty - Groupe Gobert pay respects to their teammate Antoine Demoitié who passed away following a crash during the 2016 Gent-Wevelgem race.

Fabian Cancellara climbs the Paterberg for the final time in front of his fans in his last career Tour of Flanders. The three-time winner was only able to finish in second place behind world champion Peter Sagan.