The 2009–10 Biathlon World Cup was a multi-race tournament over a season of biathlon, organised by the International Biathlon Union. The season started 2 December 2009 in Östersund, Sweden and ended 28 March 2010 with the Mixed Relay World Championships in Khanty-Mansiysk, Russia. Races of the season were broadcast in Europe on Eurosport channel.

Timothy John Burke is a retired U.S. biathlete and coach. On December 20, 2009, he became the first ever US biathlete to lead the overall Biathlon World Cup. During his career he competed in 11 Biathlon World Championships and four Winter Olympic Games, won a World Championship silver and took six podiums in World Cup races.