• April 19 – September 28: UCI BMX Supercross World Cup^[1]
  • April 19 & 20 at Manchester
    • Men's Elite winner: Liam Phillips
    • Women's Elite winner: Shanaze Reade
  • May 10 & 11 at Santiago del Estero
    • Men's Elite winner: Connor Fields
    • Women's Elite winner: Shanaze Reade
  • June 15 & 16 at Papendal
    • Men's Elite winner: Jelle van Gorkom
    • Women's Elite winner: Mariana Pajón
  • September 27 & 28 at Chula Vista
    • Men's Elite winner: Sam Willoughby
    • Women's Elite winner: Mariana Pajón
• July 24–28: 2013 UCI BMX World Championships in Auckland^[2]
  • Men's Elite winner: Liam Phillips
  • Women's Elite winner: Caroline Buchanan

• May 18 – September 22: 2013 UCI Mountain Bike World Cup^[3]
  • May 18 & 19 at Albstadt
    • Men's Elite winner (eliminator): Daniel Federspiel
    • Men's Elite winner (XCO): Daniel McConnell
    • Women's Elite winner (eliminator): Alexandra Engen
    • Women's Elite winner (XCO): Eva Lechner
  • May 24 – 26 at Nové Město na Moravě^[4]
    • Men's Elite winner (eliminator): Kenta Gallagher
    • Men's Elite winner (XCO): Nino Schurter
    • Women's Elite winner (eliminator): Jenny Rissveds
    • Women's Elite winner (XCO): Tanja Žakelj
  • June 8 & 9 at Fort William, Scotland (downhill event only)^[5]
    • Men's Elite winner (downhill): Gee Atherton
    • Women's Elite winner (downhill): Rachel Atherton
  • June 13–16 at Val di Sole^[6]
    • Men's Elite winner (eliminator): Daniel Federspiel
    • Women's Elite winner (eliminator): Alexandra Engen
    • Men's Elite winner (XCO): Nino Schurter
    • Women's Elite winner (XCO): Tanja Žakelj
    • Men's Elite winner (downhill): Gee Atherton
    • Women's Elite winner (downhill): Rachel Atherton
  • July 25–28 at Vallnord
    • Men's Elite winner (eliminator): Fabrice Mels
    • Women's Elite winner (eliminator): Kathrin Stirnemann
    • Men's Elite winner (XCO): Nino Schurter
    • Women's Elite winner (XCO): Sabine Spitz
    • Men's Elite winner (downhill): Rémi Thirion
    • Women's Elite winner (downhill): Rachel Atherton
  • August 10 & 11 at Mont-Sainte-Anne
    • Men's Elite winner (XCO): Julien Absalon
    • Women's Elite winner (XCO): Kateřina Nash
    • Men's Elite winner (downhill): Steve Smith
    • Women's Elite winner (downhill): Emmeline Ragot
  • September 12–15 at Hafjell
    • Men's Elite winner (eliminator): Simon Gegenheimer
    • Women's Elite winner (eliminator): Jenny Rissveds
    • Men's Elite winner (XCO): Jaroslav Kulhavý
    • Women's Elite winner (XCO): Irina Kalentieva
    • Men's Elite winner (downhill): Steve Smith
    • Women's Elite winner (downhill): Rachel Atherton
  • September 21 & 22 at Leogang (downhill event only)
    • Men's Elite winner (downhill): Steve Smith
    • Women's Elite winner (downhill): Emmeline Ragot
• June 28 & 29: 2013 UCI Mountain Bike Marathon World Championships at Kirchberg
  • Men's Elite winner: Christoph Sauser
  • Women's Elite winner: Gunn-Rita Dahle Flesjaa
• August 26 – September 1: 2013 UCI Mountain Bike & Trials World Championships in Pietermaritzburg
  • Men's Elite winner (eliminator): Paul Van der Ploeg
  • Women's Elite winner (eliminator): Alexandra Engen
  • Men's Elite winner (XCO): Nino Schurter
  • Women's Elite winner (XCO): Julie Bresset
  • Men's Elite winner (downhill): Greg Minnaar
  • Women's Elite Winner (downhill): Rachel Atherton
• September 21: 2013 UCI Four-Cross World Championships in Leogang
  • Men's Elite winner: Joose Wichman
  • Women's Elite winner: Caroline Buchanan

One Day Races.

• March 17: Milan–San Remo
  •  Gerald Ciolek (GER).^[7]
• March 31: Tour of Flanders. 100th edition.
  •  Fabian Cancellara (SUI). Second title.^[8]
• April 7: Paris–Roubaix.
  •  Fabian Cancellara (SUI). Third title. Second Flanders and Roubaix double after 2010.^[9]
• April 21: 2013 Liège–Bastogne–Liège.
  •  Dan Martin (IRL).^[10]

Grand Tours.

• May 4–26: Giro d'Italia
  •  Vincenzo Nibali (ITA). (first Giro title and second Grand Tour win)
• June 29 – July 21: Tour de France. 100th edition.
  •  Chris Froome (GBR). (first Tour title and first Grand Tour win)
• August 24 – September 15: Vuelta a España.
  •  Chris Horner (USA) (first Vuelta title and first Grand Tour win)
    • The 41-year-old Horner becomes the oldest winner of a Grand Tour.

World Championships.

• September 21–29: 2013 UCI Road World Championships in Tuscany
  • The  Netherlands won the gold medal tally.  Australia won the overall medal tally.  Ellen van Dijk (NED) and  Tony Martin (GER) won the most gold medals (both 2).

• 11 October 2012 – 19 January 2013: 2012–2013 UCI Track Cycling World Cup Classics
  • Overall winning country:  Germany
• 20–24 February: 2013 UCI Track Cycling World Championships in Minsk, Belarus
  •  United Kingdom won both the gold and overall medals tallies.
• 7–11 August: 2013 UCI Juniors Track World Championships in Glasgow^[11]
  •  Australia won both the gold and overall medal tallies.^[12]