After the 2016 Olympic Games, Twan battled with a knee injury in 2017 and didn't compete for 5 months. He returned to competition in 2018 and became World Champion in 2019.[2]
Twan is also a National Record holder in the Powerlifting discipline Deadlift in the weight category until 85 kg.[3]
After the World Championships in Papendal, the Netherlands on 22 August 2021, in which van Gendt fell, he announced that he would stop his BMX career. He wanted to focus on cross-country mountain biking for the next two years.