Events in Sport
- Oct 5 In an all-Russian boxing contest, Wladimir Klitschko beats Alexander Povetkin in 12 round unanimous points decision in Moscow to retain his WBA, WBO, IBF, IBO heavyweight titles
- Oct 5 New Zealand beats South Africa, 38-27 in Johannesburg to retain the Rugby Championship with an undefeated record; All Black flanker Liam Messam crosses for 2 tries
- Oct 12 Timothy Bradley defeats Juan Manuel Márquez to win the WBA Welterweight boxing title
- Oct 18 MLB National League Championship: St. Louis Cardinals beat Los Angeles Dodgers, 4 games to 2
- Oct 19 MLB American League Championship: Boston Red Sox beat Detroit Tigers, 4 games to 2
- Oct 23 Boston Red Sox defeat St Louis Cardinals in game 1 of the MLB 2013 World Series
- Oct 24 St Louis Cardinals defeat Boston Red Sox to tie the MLB 2013 World Series 1-1
- Oct 26 St Louis Cardinals defeat Boston Red Sox to lead the MLB 2013 World Series 2-1
Event of Interest
Oct 27 German Red Bull driver Sebastian Vettel wins the Indian Grand Prix at the Buddh International Circuit to clinch his 4th straight F1 World Drivers Championship; 6th consecutive GP victory
Sebastian Vettel
Event of Interest
Oct 27 American Serena Williams wins her 4th season ending tennis title; beats Li Na of China 2–6, 6–3, 6–0 in the WTA Championship final in Istanbul, Turkey
Serena Williams
- Oct 30 Boston Red Sox decisively beat St Louis Cardinals, 6-1 in Game 6 at Fenway Park to win the Baseball World Series; Boston slugger David Ortiz MVP
Weddings in Sport
- Oct 5 Skateboarder and actor Bam Margera (34) weds Nicole Boyd in Reykjavík, Iceland
Wedding of Interest
Oct 5 Soccer player Abby Wambach (33) weds longtime partner Sarah Huffman (29) in Hawaii
Abby Wambach
Deaths in Sport
Bill Sharman
Oct 25 Bill Sharman, American basketball player, dies from complications from a stroke at 87
Bill Sharman