Ducks swimming on the route of the Paris Marathon?

Voie Express rive droite (Right bank express way) - Click on the picture for a larger view and some explanations

Paris undergoes small floods sometimes, generally in February.
Discover the one of this February 2013 => here.

For the Paris marathon, don't worry, we have some times...
In April, it will be dry. And, by the way, if you run a marathon the 7th of April 2013, Paris, for instance, it is time to begin you marathon training plan, it is in 8 weeks!