Wesley Kipchumba Korir (15 November 1982) is a Kenyan athlete who specializes in long distance running competitions, as well as a politician who served as an elected member of Parliament for Cherangany Constituency. On 16 April 2012, he won the Boston Marathon with a time of 2 hours 12 minutes 40 seconds. He had previously won the Los Angeles Marathon in 2009 and 2010, the first back-to-back winner there in eight years. He took second place in the 2011Chicago Marathon in a personal-record time of 2 hours 6 minutes 15 seconds, and improved that personal record by 2 seconds in the 2012 Chicago Marathon. In the 2013 Kenyan general election, Korir was elected to a seat in the National Assembly. He lost his seat in 2017.