Race Experience This 10K isn't just a race; it's a snapshot of the Bromo Marathon experience. You'll get to challenge yourself on the ascents and enjoy the ease of the downhills. It's a run that's as much about enjoying the journey as it is about reaching the finish line. Whether you're racing for a personal best or just out to enjoy the day, the 10K is a great way to join the festivities and sample the marathon atmosphere.