Head of the River Race only open to men's eights and is considered to be the peak of the head race season — attracting the top UK crews as well as foreign clubs. Composite crews, drawn from more than one club or institution, are not permitted. The Championship Course is that of the Oxford and Cambridge Boat Race but, unlike the Boat Race, the Head of the River Race is raced on an ebb tide from Mortlake to Putney. The starting time for the race is different every year and depends on the tide — the first crew (winner from the previous year) starts the
Mortlake generally on the flat with its streets, which tend to run perpendicular to it. It runs in the middle of Worple Way, separating it into north and south sides. To ensure that all the local authority wards have electorates of approximately the same size, the ward covering Mortlake also includes parts of Barnes. Mortlake Mortlake is a suburban district of the London Borough of Richmond upon Thames on the south bank of the River Thames between Kew and Barnes. Historically it was part of Surrey and until 1965 was in the Municipal Borough of Barnes. For many centuries it had