BBC blogger Matthew Pinsent
watches Oxford's Constantine Louloudis undergo a fitness test ahead of Saturday's Boat Race and concludes that the 19-year-old is "a bit of a beast".
The Xchanging Boat Race 2011
Start: Saturday, 26 March, 1700 BST Venue: River Thames, London
Coverage: Watch live on BBC One, BBC One HD and worldwide on the BBC Sport website from 1545 GMT; commentary on BBC Radio 5 live -