The International Cycling Union (UCI) has recently confirmed all of the dates for the races that will make up the 2013 Worldtour series calendar. The WorldTour is described as being “the best of cycling.” The events, which span from January to October, are the exact same events as 2012, except for the addition of the Tour of Hangzhou in China.
A full calendar is below and links to live feeds of the races will be added close to the time of each event.
| Race | Country | Start Date | End Date |
| Tour Down Under | AUS | January 22, 2013 | January 27, 2013 |
| Paris-Nice | FRA | March 3, 2013 | March 10, 2013 |
| Tirreno-Adriatico | ITA | March 6, 2013 | March 12, 2013 |
| Milano-Sanremo | ITA | March 16, 2013 | March 16, 2013 |
| Volta Ciclista a Catalunya | ESP | March 18, 2013 | March 24, 2013 |
| E3 Prijs Vlaanderen – Harelbeke | BEL | March 22, 2013 | March 22, 2013 |
| Gent – Wevelgem | BEL | March 24, 2013 | March 24, 2013 |
| Ronde van Vlaanderen (Flanders) | BEL | March 31, 2013 | March 31, 2013 |
| Vuelta Ciclista al Pais Vasco | ESP | April 1, 2013 | April 6, 2013 |
| Paris – Roubaix | FRA | April 7, 2013 | April 7, 2013 |
| Amstel Gold Race | NED | April 14, 2013 | April 14, 2013 |
| La Flèche Wallonne | BEL | April 17, 2013 | April 17, 2013 |
| Liège – Bastogne – Liège | BEL | April 21, 2013 | April 21, 2013 |
| Tour de Romandie | SUI | April 23, 2013 | April 28, 2013 |
| Giro d’Italia | ITA | May 4, 2013 | May 26, 2013 |
| Critérium du Dauphiné | FRA | June 2, 2013 | June 9, 2013 |
| Tour de Suisse | SUI | June 8, 2013 | June 16, 2013 |
| Tour de France | FRA | June 29, 2013 | July 21, 2013 |
| Clasica Ciclista San Sebastian | ESP | July 27, 2013 | July 27, 2013 |
| Tour de Pologne | POL | July 27, 2013 | August 3, 2013 |
| Eneco Tour | ITA | August 12, 2013 | August 18, 2013 |
| Vuelta a España | ESP | August 24, 2013 | September 15, 2013 |
| Vattenfall Cyclassics | GER | August 25, 2013 | August 25, 2013 |
| GP Ouest France – Plouay | FRA | September 1, 2013 | September 1, 2013 |
| Grand Prix Cycliste de Québec | CAN | September 13, 2013 | September 13, 2013 |
| Grand Prix Cycliste de Montréal | CAN | September 15, 2013 | September 15, 2013 |
| Giro di Lombardia | ITA | October 5, 2013 | October 5, 2013 |
| Tour of Hangzhou | CHN | October 9, 2013 | October 13, 2013 |
| Tour of Beijing | CHN | October 16, 2013 | October 20, 2013 |
