東京ロンドンボストンはわかるがパリって前半下りかなあ
http://www.schneiderelectricparismarathon.com/marathon/2012/us/r3_profilCourse.html
http://www.schneiderelectricparismarathon.com/marathon/2013/us/r3_profilCourse.html
http://www.iperiago.com/itinerary/88/ready-to-follow-the-itinerary-of-the-2014-paris-marathon-
http://www.goandrace.com/en/map/course-map.php?id=1012&y=2014&m=04&d=06&lat=48.87013175315463&lon=2.3064557931152194&r=1