The UCI Cyclo-cross World Cup took place between 17 September 2017 and 28 January 2018, over a total of nine events.

Despite finishing twelfth in the race, Sanne Cant won the women's title after her closest rival Kaitlin Keough finished the Nommay race in second behind compatriot Katie Compton.

Van Aert won the next two races in Germany and at Namur, but with wins at Heusden-Zolder and Nommay,[2] van der Poel gathered an unassailable lead going into the final round at Hoogerheide; he won that race as well, garnering podium finishes at all nine events during the campaign.

The men's under-23 title was won by Tom Pidcock, having won four World Cup races in as many starts, giving him an unassailable lead after the Grand Prix Erik De Vlaeminck at Circuit Zolder,[3] as a rider's best four scores (from seven races) counted towards the classification.

The top ten finishers received points according to the following table: In comparison to last season, the races in Las Vegas, Rome (Fiuggi) and Valkenburg were replaced by Bogense, Nommay and Waterloo.