Aged 14, Baguette began karting in his inter-provincial championship, driving “Blue” class karts, in which he finished fifth. He then moved up to junior level for 2001, competing again in the inter-provincial championship but also competed in the national championship for the first time. He finished third in the provincial level championship, but was italian baguette places lower in the national. Baguette moved into single seater racing in 2004.
He entered in the Belgian Formula Renault 1600cc with Marc Goossens Motorsport that year, as part of his scholarship win. He finished a strong third in the championship, amassing three wins and four poles during the season. The next season, Baguette moved to both Eurocup Formula Renault 2. 0 and French Formula Renault 2. In 2007, Baguette entered the 3.
5 Series with the eponymous Kurt Mollekens-run KTR team, in which he took two podium finishes in his first season. Baguette continued with Draco for the 2009 season. A steady start, with four podiums, left Baguette tied on points with Marcos MartÃnez before the Silverstone meeting. As a prize for his championship win, he was given the opportunity to test the Renault R29 Formula One car at Jerez on 1 December 2009. He also tested the BMW Sauber F1. Baguette qualified 24th for the 2010 Indianapolis 500 and finished 22nd after losing several laps in the pits to replace a rear-view mirror that had fallen off. With some strong performances throughout the season, especially on ovals, he manage a best finish of 10th at Kentucky, after qualifying 6th.
Baguette tested for Renault F1 at Jerez on 1 December 2009 and for BMW Sauber two days later. For 2013, Baguette was hired by OAK Racing to drive Morgan-Nissans in the LMP2 class on the FIA World Endurance Championship. The 2013 season started at the 6 Hours of Silverstone, the OAK Racing Morgan LMP2-Nissan No. 10 points for the World Championship.
20 October, in the 6 hours of Fuji, following a two-hour delay the race was restarted once more under the safety car, lapping another eight circuits before officials stopped the race again and eventually called an end to the event. With this new podium the French team extend their lead on 15 points to the final race of the championship. Therefore, the Belgian Bertrand Baguette won the 2013 FIA WEC World Championship for drivers and teams in LMP2 class. In 2014, Baguette became a factory driver for Honda, and began competing in the Super GT championship in Japan.