Oxford University (39 wins) v Cambridge University (36 wins)
Just before 2.30 this afternoon, 30 of the fittest young men in Britain take the field at Twickenham for the most important single match of their lives.
Before the kick-off Cliff Morgan describes the very special atmosphere of this occasion and looks back at some of the past matches which have contributed to this fixture achieving a special status in British sport.
(Also broadcast on Radio 2 from 3.2 pm)