Championship leader Jean-Eric Vergne topped the timesheets in the Friday morning first free practice session at Silverstone. Carlin's French driver outpaced his nearest rival, Daisuke Nakajima, by two-tenths. There is a further free practice session in the afternoon. 

PROVISIONAL TIMES FROM SILVERSTONE FREE PRACTICE 1

30/04/2010

Leading International class runners

1  Jean-Eric VERGNE / FRA,  Carlin Dallara-Volkswagen  1m 54.309s

2  Daisuke NAKAJIMA / JPN,  RR Dallara-Mercedes  1m 54.513s

3  Daniel McKENZIE / GBR,  Fortec Dallara-Mercedes  1m 54.677s

4  Felipe NASR / BRA,  RR Dallara-Mercedes  1m 54.844s

5  Adriano BUZAID / BRA,  Carlin Dallara-Volkswagen  1m 54.879s

6  Oli WEBB / GBR,  Fortec Dallara-Mercedes  1m 55.175s

7  James CALADO / GBR,  Carlin Dallara-Volkswagen  1m 55.274s

8  Jazeman JAAFAR / MAS,  Carlin Dallara-Volkswagen  1m 55.476s

9  Carlos HUERTAS / COL,  RR Dallara-Mercedes  1m 55.500s

10  Lucas FORESTI / BRA,  Carlin Dallara-Volkswagen  1m 55.517s

11  Rupert SVENDSEN-COOK / GBR, Carlin Dallara-Volkswagen  1m 55.577s

12  Gabriel DIAS / BRA,  Hitech Dallara-Volkswagen  1m 55.657s

13  Alex BRUNDLE / GBR,  T-Sport Dallara-Volkswagen  1m 55.783s

14  William BULLER / GBR,  Hitech Dallara-Volkswagen  1m 56.597s

15  Hywel LLOYD / GBR,  CF/Manor Dallara-Mercedes  1m 56.608s

16  Jay BRIDGER / GBR,  Litespeed Dallara-Mercedes  1m 57.433s

17  Max SNEGIREV / RUS,  Fortec Dallara-Mercedes  1m 58.003s

18  Adderly FONG / CHN,  Sino Vision Dallara-Mercedes  1m 59.558s

19  Rio HARYANTO / INA,  CF/Manor Dallara-Mercedes  1m 59.726s

20  Kevin CHEN / TPE,  Sino Vision Dallara-Mercedes  2m 01.603s

Leading National class runners

1  Menasheh IDAFAR / GBR,  T-Sport Dallara-Mugen Honda  1m 57.109s

2  James COLE / GBR,  T-Sport Dallara-Mugen Honda  1m 57.544s

3  Luiz RAZIA / BRA,  West-Tec Dallara-Mugen Honda  1m 57.793s

Leading Invitation class runners

1  Alexander SIMS / GBR,  ART Dallara-Mercedes  1m 55.615s

2  Esteban GUTIERREZ / MEX, ART Dallara-Mercedes  1m 56.394s