Martijn's Race en MTB Centre - Martijn's Race en MTB Centre
Inkijkexemplaar-Fiets-04-2019
Bikes of Two Volcano Sprint – DotWatcher.cc
Bike Components Enduro Race Vogezen - Mountainbike magazine
Martijn, auteur op Ride it!Ride it!
Rigs of the 2020 Atlas Mountain Race - BIKEPACKING.com
Challenge in ultra-distance race: 'Along the borders of the Netherlands in three days' - Eurosport nutrition
Sarah Zoey Sturm on Instagram: “Bike race'n tomorrow! And I've been looking forward to this one with 69 miles and 10,000 feet of climbing, it's going to be a beautiful day…”