Van der Poel and Worst back up victories at the World Cup on Saturday with another trip to the top step at the DVV Trofee, Sunday.
20-year-old multi-discipline star forgoes a shot at the WorldTour in 2020 in favor of challenging for 'cross worlds while also racing road, gravel and mountain bike.
Van der Poel took third European title while Kastelijn dominated the race to take her first championship win on a boggy course in Italy.
We wrap up the key stories you need to know about from the past week.
The boom in gravel racing makes it a strong alternative to a career in the WorldTour thanks to increased sponsor interest and rapid expansion in events.
Van der Poel continues to manage multi-discipline approach in a way never seen before. But with ambitions growing by the year, can he keep it up?