The Boat Races 2015 was won by Oxford's Osiris by fifteen lengths, making the overall record 21–20 in Cambridge's favour. 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"). First held in 1829, the race takes place on the Championship Course, between Putney and Mortlake on the River Thames in south-west London. The rivalry is a major point of honour between the two universities; it is followed throughout the United Kingdom and broadcast worldwide. Oxford went into the race as champions,
The Boat Race 1864 of Putney Bridge in order to reduce interruptions to the race from steamers. Indeed, both boat club presidents had issued a caution to the steamer captains, indicating that the race would be conducted on the ebb tide should any interruption take place which would risk the steamers becoming grounded at Mortlake. The finish was moved the corresponding distance upstream to maintain the traditional length of the race. Oxford rowed in the same boat as the previous race, which was constructed by J. and S. Salter while Cambridge utilised a new vessel built for them by Taylor of Newcastle. Oxford were