Karting Keen, born in
Amersham, England, started his
karting career in 1999. In 2001, he entered both the
Super 1 National JICA Championship and the
Andrea Margutti Trophy ICA Junior, finishing eleventh and 23rd respectively. For 2002, he once more competed in the Super 1 National JICA Championship, finishing tenth overall.
Car racing Keen began his car racing career in 2003 in the
Zip Formula Great Britain series, before completing a full season in the
BRDC 1600 Formula Ford the following year; he finished as runner-up in the latter series, with four wins. In addition to the Formula BMW UK and Formula Renault UK series, he also entered the
Formula Renault 2.0 UK Winter Series, taking a podium and finishing seventh overall. Although he was also entered by the team in the season finale at
Barcelona, He also entered the Formula Renault 2.0 UK Winter Series in 2006 for
Fortec Motorsport, taking a podium and finishing sixth overall. He also entered the
Formula Palmer Audi Autumn Trophy, taking the series' title with two victories and two podiums. In 2008, he entered the seventh round of the main
Formula Palmer Audi series, taking a podium in race one, and winning the other two races of the event. He did not race in 2009, although he did test for the
Caparo Pro 1000 series. ==Results==