[4] It is held annually on cycle challenge Sunday, the third Sunday of November in the South African city of Johannesburg.Between 20,000 and 30,000 participants complete the challenging 94.7 km (58.8 mi) course every year.The event's main sponsors are 947 (radio station) and Virgin Active (In previous years, Momentum.)[5] The Virgin Active Ride Joburg Mountain Bike Challenge is held the weekend before the road race.In 2012 a 40 km (25 mi) fun ride was introduced and took place the day before the Mountain Bike Challenge.