Paul Baras of Brasier set the fastest lap of the race on his first lap. He held on to the lead until the third lap, when Szisz took over first position, defending it to the finish. Hot conditions melted the road tar, which the cars kicked up into the faces of the drivers, blinding them and making the racing treacherous. Punctures were common; tyre manufacturer Michelin introduced a detachable rim with a tyre already affixed, which could be quickly swapped onto a car after a puncture, saving a significant amount of time over manually replacing the tyre. This helped Nazzaro pass Clément on the second day, as the FIAT—unlike the Clément-Bayard—made use of the rims.