Celebrating its 41st year, the Lime Rock Historic Festival launches into action over Labor Day weekend with a 17-mile tour through the area with Thursday’s Vintage Race Car and Sports Car Parade. Friday, Saturday and Monday feature non-stop, on-track competition across a diverse set of historic racing classes. More than racing, there’s also a swap meet, automobilia concessions, book signings featured speakers and more to enjoy over the long weekend. On Sunday, the Lime Rock Concours and Gathering of the Marques display nearly 1,000 enthusiast cars and motorcycles arranged around the Lime Rock circuit.