Rolex 24 running updates: Competitive, frantic and fast six hours in the books
A full, talented and ambitious 61-car field — featuring IMSA WeatherTech SportsCar champions, NASCAR stars, IndyCar winners, Formula 1 veterans and a wide assortment of accomplished drivers from 31 countries — took the green flag Saturday afternoon at Daytona International Speedway for the season-opening Rolex 24 At Daytona.