18th of November, 2008 : The limit of 37000 runners is now reached, registrations for the 2009 Paris Marathon are now closed.

You could consult your 2008 ranking, race videos and pictures....
2008 Website

Due to a 1999 law, you will have to provide a medical certificate to participate in sport event in France.
This medical certificate should be issued from a doctor and must stipulate that you don't have any contraindications for participation in running competitions.
You will provide this document or a copy thereof dating from less than one year. More information
> Download the medical form