Paris - Nice Challenge Attendees can tailor the event to their ability and choose between doing 99km at a 1,770m gradient for €25-30 or 126km at a 2,276m gradient for €30-35. The 126km race begins at 8.00, and the shorter 99km race starts at 9.00. Starts: 11th March 2017 8:00am Ends: 11th March 2017 6:00pm Location: Place Masséna, Nice Website: http://www.parisnicechallenge.com