shotgun start
n.β Β«After the mandatory pit stop, teams set out for the next keg in their sequence. In golf parlance, a shotgun start is used, meaning everyone begins at a different point.Β» ββCrossage players claim streets in 500-year-old Belgian tradition” by Kevin Dougherty Stars & Stripes Mar. 18, 2007. (source: Double-Tongued Dictionary)