 The Boat Race is a side @-@ by @-@ side rowing competition between the University of Oxford ( sometimes referred to as the " Dark Blues " ) and the University of Cambridge ( sometimes referred to as the " Light Blues " ) . The race was first held in 1829 , and since 1845 has taken place on the 4 @.@ 2 @-@ mile ( 6 @.@ 8 km ) Championship Course on the River Thames in southwest London . Cambridge went into the race leading overall with six victories to Oxford 's two . They had beaten Oxford in the previous race , held in 1845 , by three lengths . 
