The Thunder Road Marathon is an annual marathon (marathon (sport)) (42.195 km) (26.2 miles) which takes place in Charlotte (Charlotte, North Carolina), North Carolina, every December. It features a NASCAR theme in keeping with the regions close ties to auto racing.

The event was started in 2005 after the demise of the Charlotte Observer Marathon. The race course, a loop which begins and ends in Uptown Charlotte, is certified and is a Boston Marathon qualifier.

class="wikitable" border="1" - ! Year ! Entrants ! Finishers (male) ! Finishers (female) - 2005 689 490 199 - 2006 895 n/a n/a - 2007 1018 655 310 - 2008 1143 582 258 - 2009 1885 975 434