Round 3 of the 2009 Heavyweight UK Championships was the third qualifier show of the 2009 UK Championships which was held throughout the whole year. It was the third round to determine which robots would earn points for a place in the finals at Wigan at the end of the year and it was also held as part of the annual Robot Rumble event held every easter . The event was held at the Brentwood Leisure Centre at Brentwood, Essex on the 2nd - 3rd May 2009.