Early career

In 2004 he won the Australian Production Car Championship, becoming the youngest ever driver to win an Australian championship. In the same year he also contested some rounds of the Australian Formula 3 Championship with Piccola Scuderia and raced in the Australian GT Performance Car Championship.

Continuing in Australian Formula 3 in 2005, Alajajian started the year with Astuti Competition, before moving to Protecnica Racing. He finished third in the championship. Chris also won a number of races in the Australian Performance Car Championship with Protecnica Racing.

V8 Supercars Development Series

Alajajian moved to the Fujitsu V8 Supercar Series for 2006. He scored a podium at Queensland Raceway and was involved in Mark Porter's fatal crash at Bathurst later in the season. He continued in the Fujitsu V8 Supercar Series 2007, claiming his only race win at the second round at Wakefield Park Raceway. He made one-off appearances at the Adelaide Street Circuit in 2009 and 2013.

A1 Grand Prix

In August 2007, Alajajian tested for A1 Team Lebanon in the A1 Grand Prix series at Snetterton Circuit.^[2] Alajajian made his race debut in the series at the Dutch round in the 2007–08 season. After missing round 2 in Brno, he raced the next 4 rounds, being in a points scoring position in New Zealand before being hit from behind, and was 2nd quickest in Rookie Qualifying at Eastern Creek.

Mini Challenge

Alajajian finished runner-up in the Australian Mini Challenge in 2009 and won the championship in 2010.

Complete V8 Development Series results

(key) (Races in bold indicate pole position) (Races in italics indicate fastest lap)

† Not Eligible for points

Complete A1 Grand Prix results

(key) (Races in bold indicate pole position) (Races in italics indicate fastest lap)