Historical Events
- 108th Boston Marathon: Timothy Cherigat of Kenya 1st man in 2:10:37 and Catherine Ndereba of Kenya 1st woman in 2:24:27
Famous Deaths
- John Maynard Smith, English biologist (b. 1920)
- Norris McWhirter, Scottish co-founder of the Guinness Book of Records (b. 1925)