If anyone is interested, the Le Mans 24 hour coverage starts at 10:30 this evening on the Ten Sport website (but not on Ten or ONE ).
Ten Sport
There's also: http://live.lemans-tv.com/ and http://www.lemanslive.com/ and http://stream.speedtv.com/corvette.
And as always you can augment this with Radio Le Mans.
Enjoy.