2019 UCI Mountain Bike World Championships

The 2019 UCI Mountain Bike World Championships was held in Mont-Sainte-Anne, Canada, from August 28 to September 1, 2019. This was the 30th edition of the most prestigious mountain bike event on the calendar, held annually since 1990, and the senior and under-23 cross-country races also functioned as a qualifier for the cross-country race at the 2020 Summer Olympics.

Olympic qualification
The following National Olympic Committees earned a quota place in the cross-country event in the 2020 Summer Olympics by virtue of high finish in either the elite senior or under 23 events.