When to expect the runner at each aid station. The times spread a 10:40 finish the way the median finisher spread their race over this course, so the climbs and the night take their real share.
| Aid station | Race time |
|---|---|
| Pic du Chardonnetkm 10.4 | 1:50 |
| Col de Roches Noireskm 18.0 | 3:02 |
| Refuge de Buffèrekm 26.9 | 4:11 |
| Col du Granonkm 36.1 | 5:56 |
| Tronchetskm 47.8 | 7:45 |
| Grand Aréakm 52.7 | 9:28 |
| Arrivéekm 61.7 | 10:40 |
A gap grows with the hours. A runner 20 minutes behind these times at halfway, holding the same pace, will be about 40 minutes behind at the finish, so push the later times back as you go.