What is the boat race?
The first men's race took place in 1829 and it has become one of the world's most famous amateur sporting events.
The women's race started in 1927. It has been run on the same day and course as the men since 2015.
Cambridge won the double last year,with the women recording a sixth successive win.
Cambridge lead the men's series 86-81, with one recorded dead heat, and have a 47-30 advantage in the women's series.