The Boat Race 2021 was a side-by-side rowing race that took place on 4 April 2021. The Boat Race is contested annually between crews from the universities of Oxford and Cambridge. Usually held on the traditional Championship Course in London, the 2021 race took place on the River Great Ouse near Ely, Cambridgeshire, between Queen Adelaide Bridge and Sandhill Bridge, Littleport. This was the 75th women's race and the 166th men's race, with the 2020 race having been cancelled as a result of the COVID-19 pandemic in the United Kingdom. Before the 2021 races, Cambridge led the longstanding rivalry 84–80 in the men's race and 44–30 in the women's.