than 600 riders. In 2004 riders increased to 1,400 and the event was known as the Be Active Tour. The 2005 tour saw more than 1,900 riders leave Salisbury, Williamstown and Angaston in to tackle the hills and roads of stage 2. In 2006, riders rode 154 km from Strathalbyn to Yankalilla in temperatures in excess of . The heat took its toll on riders and a heat policy now exists. As a result of the heat policy, the Challenge Tour has only been cancelled once- in 2018 – when temperatures over 40 degrees forced the event organisers to abandon the ride. In 2007 the name changed to Mutual Community Challenge Tour and it was joined by the Mutual Community Fun Tour and Powerade mini-tour for children. It was renamed the Bupa Challenge Tour when Mutual Community was purchased by Bupa and continued to run under this title until 2018. In 2019 it was run as the Challenge Tour presented by The Advertiser and was held on a Saturday for the first time in its history. Down Under Classic Since 2008, there has been a tradition to hold a circuit race prior to the official start of the Tour Down Under. This event, known as the Down Under Classic, typically takes place on roads within Adelaide's East End. The race does not count towards the overall classification of the Tour Down Under, though riders do compete for prize money. The circuit also features the final stage of the Women's Tour Down Under, contested an hour before the start of the men's race. In 2020 the race was held as the Schwalbe Classic. Down Under Classic Winners Traditions Ochre jersey From 1999 until 2005, the race presented the general classification leader and eventual winner with a yellow jersey, as with other European races like the Tour de France. In 2006, the race replaced the yellow with an Ochre-coloured jersey, symbolic of the colour associated with the Australian outback landscape. Oppy the Kangaroo The race caravan is also led by a car bearing the event's mascot 'Oppy', named for Australian cyclist Hubert Oppermann. Obscure Pro In this local tradition fans treat one unknown rider as a star, mobbing him at hotels and painting his name on the road. The rider must be a non-English speaking domestique who typically acts as a bottle carrier. Previous Obscure Pros have been: See also Bicycling terminology