William Alexander Lester III is an American semi-retired professional racing driver. He last competed part-time in the NASCAR Camping World Truck Series, driving the No. 17 Ford F-150 for David Gilliland Racing. Lester previously competed full-time in the Truck Series from 2002 to midway through 2007. Lester was the NASCAR's only full-time African-American driver during that time. After that, he moved to sports car racing, competing in the Rolex Sports Car Series from 2007 to 2012. Lester had also competed part-time in the same series from 1998 to 2001.

The 2005 NASCAR Craftsman Truck Series was the eleventh season of the Craftsman Truck Series, the third highest stock car racing series sanctioned by NASCAR in the United States. Ted Musgrave of Ultra Motorsports was crowned the season's champion.