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
Putney East Putney ward in second place. Excluding the "Putney Exchange" in a survey by the New Economics Foundation of 27 London high streets in 2005, Putney's ranked fifth most "cloned...[meaning] offering identikit shopping with little local character". The Thamesfield ward in Putney has London's highest Australian and New Zealand communities. The Member of Parliament for Putney is Justine Greening of the Conservative Party, who has served as the MP for the constituency since the 2005 general election; and was subsequently re-elected at the 2010, 2015 and 2017 general elections. Greening has held five Cabinet-level positions under the premierships of both