"Marc is the most unique character I've ever encountered in the motocross world "
Stefan Everts, former opponent of Marc and record champion with ten titles in the World Championship motocross.
"It is thanks to Marc that I have learned to be quick in the sand"
Tony Cairoli, long-time neighbor of Marc and nine-time World Motocross Champion.
"If you ask me, Marc is one of the top three motocross talents ever"
Bob Moore, Marc's former manager and, in 1994, the last American to become Motocross World Champion.
Revealing story about the 'Andy van der Meyde of motocross'
First Dutch biography about a motocross racer on a large scale
8x Dutch Motocross Champion, 4x GP winner, 2006 Red Bull Knock Out winner, 2010 Motocross of European Nations winner, Silver medal Motocross of Nations 2004.
As rider coach world champion MX2 with Pauls Jonass (2017) and European champion with Roan van de Moosdijk (2019).