So why not have:
tblRides:IDride (key), datefrom (key), timefrom (key), dateto, timeto, mileage, IDplace (fk)
tblwaypoints: IDplace (key), placename, county
ie:
Ride no1, 10/07/2003, 10:00am, 10/07/2003, 11:00am, 10km, Place1
Ride no1, 10/07/2003, 11:00am, 10/07/2003, 12:00pm, 10km, Place2...