The Roparun is the longest non-stop relay race in the world, starting in Paris, France and ending in Rotterdam, the Netherlands. The route covers approximately 530km.
This year all 275 teams in the race are being tracked live using Google Maps. The teams are listed in the map sidebar. If you click on a team's sidebar link or map marker you can view the team's current and average speed, the distance they have run and a predicted time for their arrival in Rotterdam.
The race is due to finish tomorrow (24th May 2010) so the map will be live today and for much of tomorrow.