The Lent Bumps 2012 was a series of rowing races at Cambridge University from Tuesday 28 February 2012 to Saturday 3 March 2012. The event was run as a bumps race and was the 125th set of races in the series of Lent Bumps which have been held annually in late February or early March since 1887. See Lent Bumps for the format of the races. 121 crews took part (69 men's crews and 52 women's crews), with nearly 1100 participants in total.
Caius men rowed over every day, retaining the headship they gained with blades in 2011.
Downing women rowed over every day also retaining the headship they won the previous year.
Downing II finished up 4 places as the highest placed men's second VIII, winning their blades and bumping 1st & 3rd Trinity II and Caius II on the way.