10to4.org↗

Once one of the best-kept secrets on Africa's adventure tourism calendar, the Topic Air 10to4 Mount Kenya Mountain Bike Challenge has now become the largest cycling event in Kenya. With over 20 years of experience behind it, the 2025 event promises to be another great weekend, combining some serious cycling with spectacular landscapes, amazing wildlife, and fun for all the family. There are races to suit every age and fitness level, and you can even compete on an e-bike if that's your vibe.