Who's Your Driver Twin 100s

The WhosYourDriver.org Twin 100s was a dual NASCAR K&N Pro Series race held annually at South Boston Speedway. From 2007–2011, the race was held as a 150-lap race. After a hiatus from 2012–2016, the event returned in 2017 in its current Twin 100 format.

Past winners

 * 2008 and 2019: Race extended due to overtime.
 * 2019: Twin 100 No. 2 was postponed halfway through from May 4 to May 5.