The 2018 Mercedes-Benz UCI Mountain Bike World Cup was a series of races in Olympic Cross-Country (XCO), Cross-Country Eliminator (XCE), and Downhill (DHI). Each discipline had an Elite Men and an Elite Women category. There were also under-23 categories in the XCO and junior categories in the DHI. The cross-country series and the downhill series each had seven rounds, some of which were held concurrently.

Alessandra Keller is a Swiss mountain biker competing in cross country.