Held in October each year. The World Solar Challenge or the Bridgestone World Solar Challenge due to the sponsorship of Bridgestone Corporation is a biennial solar-powered car race which covers 3,021 km (1,877 mi) through the Australian Outback, from Darwin, Northern Territory to Adelaide, South Australia.© Wikipedia
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We were lucky enough to be visiting Tennant Creek in the Northern Territory during October when the vehicles participating in the World Solar Challenge headed down the Stuart Highway racing from Darwin to Adelaide. We were taking photos on the side of the road when one of the team members told us of a checking station at the southern end of Tennant Creek. We went along to have a look and saw teams changing drivers and preparing the vehicles for the next stage. There is quite a support crew with each solar team.
During our trip south the next day we passed several of the teams as they drove along the highway. Each support vehicle clearly displayed the team number and UHF channel being used so we were able to communicate our intention to overtake with the caravan in tow. The car and van were much large than these vehicles so we allowed plenty of space as we did not want to frighten the driver or move the vehicle as we passed. All teams were very helpful and we wished them luck on the journey.