Putney, London.  Pre Varsity Boat race fixture. Sir Matthew PINSENT, Umpire, prepares the crews for the Start. Cambridge UBC. vs GBR U23 crew raced over parts of the Championship Course, [Putney to Mortlake].  Race divided into two trials. 1. Start to Hammersmith Pier. 2. Chiswick Eyot to Finish. River Thames. Saturday   26/02/2011 [Mandatory Credit -Karon Phillips/Intersport Images]..