Schumacher fastest in  morning session

Michael Schumacher leads the way for Mercedes at 1pm local time on the fourth day of F1 testing in Barcelona.

Full lap times as of 1pm local time, on the fourth day of the final F1 2011 pre-season five-day test at the Circuit de Catalunya near Barcelona.

Times
1. Michael Schumacher Mercedes-Mercedes 1m 21.268s
2. Fernando Alonso Ferrari-Ferrari 1m 21.614s
3. Nick Heidfeld Lotus Renault GP-Renault 1m 22.073s
4. Rubens Barrichello Williams-Cosworth 1m 22.233s
5. Kamui Kobayashi Sauber-Ferrari 1m 22.315s
6. Jaime Alguersuari Scuderia Toro Rosso-Ferrari 1m 22.675s
7. Sebastian Vettel Red Bull Racing-Renault 1m 23.012s
8. Heikki Kovalainen Team Lotus-Renault 1m 23.437s
9. Adrian Sutil Force India-Mercedes 1m 23.921s
10. Jenson Button McLaren-Mercedes 1m 25.837s
11. Jerome D'Ambrosio Virgin-Cosworth 1m 27.375s