Mathias became a professor rider at Veranda’s Willems-Crelan in 2018. He achieved his best result (7th) in the Tacx Pro Classic, after a year in which he performed consistently and finished in the top 20 several times. In 2017 he finished in tenth place in Nokere Koerse and in sixth in the Tro Bro Léon for team Cibel-Cebon.
- Favorite riders
- Alejandro Valverde, Julian Alaphilippe
- Favorite race(s)
- Liège–Bastogne–Liège, Amstel Gold Race, Brabantse Pijl
- Most beautiful race memory
- Tacx Pro Classic 2018. After a difficult year, I was finally back at my best level.
- Mountain biking, PS4
- Favorite music
- Pop music
- Ambitions season 2019
- I want to make the best of it, every race, everywhere!