sentences:  The next 1.5 miles see the route drop back to sea level as the 7-mile mark is approached.From miles 7 to 9, the route starts to work its way round the east coast of the island over a number of short, small climbs ranging from 50 ft to 90 ft.This is quickly followed by a downhill 0.5-mile and a gently undulating course to the 10.5-mile mark.