led 4th to 5th, led 12th, well clear 3 out, eased towards finish
jumped right, ran in snatches, lost touch 11th, tailed off
held up in rear, headway 9th, weakened when fell 4 out
led 2nd to 4th, led 5th to 6th, dropped rear 8th, never dangerous afterwards
led to 2nd, led 6th to 12th, soon ridden and outpaced