When Kevin Vermaak left his job in IT to found a brand-new type of bike race, he had no idea how much money he’d lose up front or how successful the resulting event would become. 20 years in, and the Cape Epic is one of the most famous bike races in the world. After leaving it behind in 2016, Kevin began mulling over a new idea — a gravel stage race that explored a completely different part of South Africa. This year, he launched Gravel Burn, a seven-day event in the Great Karoo. It took year...