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,
James Renforth several local regattas, which paid smaller prize money. His career took a marked upward turn when he entered for a sculling race at the Thames Regatta in 1868. Renforth won the race, beating Harry Kelley amongst others and received a £90 prize. Tyne crews also won the fours and pairs at the same regatta. Renforth's victory at the Thames Regatta had catapulted him into prominence as a sculler. Kelley was the current World Sculling Champion and Renforth was the obvious contender, so a match was arranged between the two men. The race was to be over the Putney to Mortlake