I watched the race on the box the other night. He broke the existing record FROM A STANDING START!
1 word... Cojones !!!
Amazing how little time is spent upright :)
Don't know how many will know, but today's factoid...
Better road bike tyres have a harder compound in the centre, and softer, stickier rubber up the sides. Track bikes use 3, depending on the ratio of left hand/right hand bends.