Are you ready to master the tropics? Join the world's leading masters cross-country and downhill riders as they converge on the tropical paradise of Cairns in chase of rainbows at the 2025 UCI Masters Mountain Bike World Championships. Challenge yourself on an epic descent through the Smithfield Rainforest's iconic trains, competing against the world's best cross-country and downhill masters riders. With no pre-qualifying event, entries are open to masters athletes aged 35 and above. Whether you’re an elite racer or someone who just loves to ride, now’s your chance to participate in a World Championship event.