SPIELBERG, Austria, June 26 : Formula One championship leader Kimi Antonelli was fastest in Friday practice for the Austrian Grand Prix as Mercedes sought to bounce back from their first defeat of the season. The 19-year-old Italian, winner of five races in a row until he retired in Spain this month and Ferrari's Lewis Hamilton ended the dominant streak, was 0.040 quicker than teammate George Russell in session one and then 0.237 faster than McLaren's Oscar Piastri in the second. Piastri was

Tag-uri: Austria