It would seem logical to most that if you are deciding to cycle a reasonable distance to your place of work through roads you’ve rarely if ever trodden that you might want to test out the route prior to attempting it for real. Yes this is a logical persons approach, me, nah.. takes the fun out of it.
You can review the mistakes I made on the link below:
http://sportstracker.nokia.com/nts/workoutdetail/index.do?id=107525