Massed start for 120 mile cycle race Olympic Test Olympic selectors of the National Cyclists Union watched the massed start championship at Matching Green Aerodrome , near Harlow , Essex , today , Britains Olympic road race team will be determined by the results . The race was over 120 miles made up of 29 circuits of the disused perimeter road Left to Righ Caves , Hoobin , and Westor members of the Australian Olympic Team have a final check before the start