The May Bumps 2008 were a set of rowing races held at Cambridge University from Wednesday 11 June 2008 to Saturday 14 June 2008. The event was run as a bumps race and was the 117th set of races in the series of May Bumps which have been held annually in mid-June in this form since 1887. In 2008, a total of 171 crews took part (94 men's crews and 77 women's crews), with over 1500 participants in total.