The Boat Race 1845 race above Putney Bridge rather than below it on 15 March. It was the first Boat Race to be conducted between Putney and Mortlake on The Championship Course, previous races having taken place between Westminster Bridge and Putney Bridge, or on the Thames at Henley between Hambleden Lock and Henley Bridge. Cambridge arrived in London on the Wednesday before the race, Oxford following two days later. Following their displays in practice rows, Cambridge were considered favourites for the race. The Cambridge boat was built by Logan and belonged to Second Trinity Boat Club, while Oxford's was constructed by King's of
Mortlake of the Council. Richmond Park, the constituency which includes Mortlake, had changed from Liberal Democrat to Conservative in the 2010 general election, was recaptured by the Liberal Democrats in the 2016 by-election, and finally reverted to Conservative MP Zac Goldsmith in the 2017 general election by a margin of only 45 votes. The London Assembly constituency South West, which includes Mortlake, is represented by former local councillor Tony Arbour (Conservative). The place-name 'Mortlake' is first attested in the Domesday Book of 1086, where it appears as "Mortelaga" and "Mortelage", a name with two possible derivations. If the second element is