Several cars racing at the 2013 24 Hours of Le Mans led by Pecom Racing's Oreca 03 (car number 49) and the two Greaves Motorsport Zytek Z11SN (car numbers 42 and 41) with several other LMP2 class cars following.  At the bottom of the image, two LMGTE Pro class cars, the Aston Martin Racing Vantage GTE cars (numbers 97 and 99) are visible trailing the faster LMP2 competitors.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/42479008@N02">kevinmcgill</a> from Den Bosch, Netherlands
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/kevinamcgill/9120979486/">KAM_4998</a>