Events in Sport
- 111th Boston Marathon: Robert Kipkoech Cheruiyot of Kenya 1st man in 2:14:13 and Lidiya Grigoryeva of Russia 1st woman in 2:29:18
Deaths in Sport
- Gaetan Duchesne, Canadian hockey player (b. 1962)
- Maria Lenk, Brazilian swimmer and first Brazilian woman to compete in the Olympic Games (b. 1915)