Three hundred and sixty-four days out of the year, Le Mans, France likely tells time just like the rest of us: watch, clock, or smartphone. But for one 24-hour period each year, they can judge a day's passing by waiting for the distinctive buzz of high-performance race cars to start and—after one of Earth's rotations around its axis—finally stop.
Time is running out in Le Mans 2015, one of the premier automobile endurance racing events in the world. Along with the 24 Hours of Daytona and the 12 Hours of Sebring, it's one leg in the sports' own Triple Crown.