After racing in various American and Canadian karting series, Ostella made his professional racing debut in Formula BMW Americas in 2008 for Eurointernational, finishing 9th in points.
At the end of 2012 Blomqvist was selected to join the Red Bull Junior Team and competed in the newly formed FIA European Formula 3 Championship this year — billed as "the most competitive young talent series on the planet" - where he joined his former team EuroInternational as their lone driver for the 2013 season.