A dozen drivers — all male — have been cited for reckless driving after authorities say they drove their high-powered sports cars at speeds topping 100 miles an hour late Saturday afternoon on Interstate 394 and its Highway 12 extension in the west metro. The drivers are mainly from Minnesota with a couple from North Dakota and range in age from 24 to 66. Among the vehicles: a Ferrari, Maserati, and two Lamborghinis.