Martinez launched his effort first in the final few hundred metres and held off the race leader to take his first victory of the 2026 season.
Paret-Peintre animates early racing
Earlier in the stage, Valentin Paret-Peintre lit up the racing with a long solo effort in pursuit of the mountains classification.
The Soudal - Quick-Step rider attacked on the early climbs and crested both the Col de la Porte and the following ascent first, collecting valuable points in the polka dot competition.
However, his move came to an end before the final climb when the peloton closed the gap as the race prepared for the decisive ascent of the Côte du Linguador.
Crash complicates Martinez defence of second place
The fight for the overall podium had already taken a dramatic turn earlier in the stage when second placed Dani Martinez crashed after being accidentally brought down by a team mate.
The Colombian was forced into a chase and entered the final phase of the stage more than a minute behind the group of favourites.
Despite the setback, Martinez managed to limit his losses and held onto second place in the general classification.
Steinhauser completes podium as Vauquelin falls short
Behind the leading duo, a chase group formed containing Kevin Vauquelin, Georg Steinhauser, Harold Tejada, Ion Izagirre, Alex Baudin and Mathys Rondel.
Vauquelin attempted to distance Steinhauser on the run towards the finish in an effort to claim the final podium place, but the German rider held firm to secure third place overall.
Vingegaard’s second place on the stage completed a dominant week for the Danish rider, who leaves
Paris-Nice with the overall victory after controlling the race following his decisive long range attack earlier in the week.