Tuitert participated in the team pursuit event at the 2006 Winter Olympics, with teammates Sven Kramer, Carl Verheijen, Erben Wennemars and Rintje Ritsma. The Dutch team was a favourite and was leading Italy by nearly a full second in their semifinal matchup, but Sven Kramer stepped on a block and fell, taking Carl Verheijen with him. In the race for bronze they defeated Norway, giving Tuitert his first Olympic medal.
2010 Olympic Games in Vancouver
At the 2010 Winter Olympics in Vancouver, British Columbia he won the gold medal in the 1500 m. In the 17th pair against Håvard Bøkko he set a new track record time (1:45.57), which had been in the hands of Shani Davis (1:46.19). In the last heat, Davis failed by 0.13 seconds to improve on Tuitert's time and finished second.
Tuitert highest ranking on the adelskalender.[2] was the 6th position between 30 December 2000 and 2 March 2001.
Life after skating
After his speed skating career Tuitert co-founded First Energy Gum, a company which produces caffeinated Energy Gum for athletes. Tuitert is also a pundit in speed skating for Dutch broadcaster NOS and an online fitness coach for FitChannel.com. Further, he has a podcast called "Drive", in which he interviews a large variety of professionals (i.e. athletes, scientists, entrepreneurs) with a drive. In 2021 his book " Drive: train your stoic mindset" was published in the Netherlands (Drive: train je stoicijnse mindset).