In 2008, Milburn made his debut in the NASCAR Camping World West Series at Miller Motorsports Park, driving the No.

83 Ford for James Wood, where he finished 28th after suffering a timing chain failure before he completed a lap.

In 2012, Miburn ran solely for Bob Wood, running ten races and getting a best finish of seventh at Roseville.

It was also during this year that he made select starts in the NASCAR K&N Pro Series East for Kart Idaho Racing, getting two top ten finishes at South Boston Speedway.

[1] Miburn serves as a driver coach for Kart Idaho Racing, as well as a track promoter for Blue Valor Motorplex.