Uci Mountain Bike Calendar 2025. In 2025, the uci mountain bike world championships will mark the history of mountain biking with two weeks of competition, from 30 august to 14 september 2025, bringing together, for the first time, all seven mountain. From 2 to 14 september 2025, the valais will be the mountain bike capital of the world.

In 2025, the uci mountain bike world championships will mark the history of mountain biking with two weeks of competition, from 30 august to 14 september 2025, bringing together, for the first time, all seven mountain. In 2025, the uci women’s worldtour, the flagship series of women’s professional road cycling, will comprise 29 events in twelve countries and on three continents, over 84.