Hello, another "Belgian" in Brussels here!
I think Emmy's got it right here -
Rotterdam was good, pancake flat obviously apart from the bridge, supportive crowd pretty much all the way around - I'll do it again some day.
Brussels marathon - much smaller event - 2,000 maybe - felt quite tough and the drag out to Tervuren is long and quiet (partly because we go through the Foret des Soignes) and there are certainly hills including the final long pull up back to the start. Support was good at the end down into the Grand Place which was a good finish. Again, I'm sure I'll do it again soon seeing as we live here - maybe next year.
Didn't even know about the Brussels 20km until this year - guess it's the big run round here! I think I'd run an extra 1km to get to a half marathon distance (!)
Am also running Antwerp this spring - good luck Emmy and Tanya too, whatever you choose to run.
Edited: 26/11/2012 at 08:07