race leader Simon Geschke (DEU/Giant-Alpecin) up the Col d'Allos (1C/2250m/14km/5.5%) being handed a (sticky) power bar at 1km from the top.
Simon would hold on to his lead and win his most important win to date.

stage 17: Digne-les-Bains - Pra Loup (161km)
2015 Tour de France