Dr Dhirendra Kumar since 2004 is also involved in Motorsports.since year 2007 he started participating Indian National rallying Championship events.
He is Winner of 2012 and 2009 Sjoba sub-Himalayan rally and 1st runner-up in 2010 and 2011 in Extreme car Category.
He is Winner of 2012 Raid de Himalaya rally in Extreme car Category.
He finished 3rd in Mugal rally 2012.
He finished 2nd in K-1000 INRC Bangalore round in 2010 and 3rd in INRC Bhubaneswer round in 2011.
He was adjusted 8th in Overall National driver’s championship in 2010 and 5th in RSC category and 9th in Overall National driver’s championship and 4th in category in 2011.