Borneo Trail Classic (BTC) is an exhilarating and challenging trail running event set against the breathtaking backdrop of the lush rainforests, pristine landscapes, and cultural diversity of Borneo. Designed to celebrate the spirit of adventure and showcase the natural wonders of the region, BTC has become a must-attend for trail running enthusiasts and outdoor adventurers from around the world. Borneo Trail Classic, held annually, provides runners with an exceptional opportunity to traverse the varied landscapes of Borneo through a trail running competition. Renowned for its distinctive mix of adventure, cultural engagement, and physical demands, the event draws participants of diverse skill levels, ranging from experienced ultramarathoners to those embarking on their inaugural trail running journey. BTC race course winding through lush rainforests, challenging mountain trails, and picturesque landscapes. Participants have the opportunity to traverse hidden trails, cross riverbeds, and ascend to breathtaking viewpoints, providing an immersive experience in one of the world’s most biodiverse ecosystems. With its challenging trails, cultural richness, and commitment to sustainability, this event has firmly established itself as a premier trail running experience, inviting participants to embark on a journey of discovery and exploration in the heart of Borneo’s wilderness.