The Formula 1 regulations state drivers must use both types of tire compounds during every race.
Below is the order in which each driver used his tire compounds in the Belgian Grand Prix, as recorded by Bridgestone:
Team tire choice by stint
Ferrari
Luca Badoer Soft Medium
Kimi Raikkonen Soft Medium Soft
McLaren
Lewis Hamilton Medium DNF
Heikki Kovalainen Soft Medium
BMW Sauber
Robert Kubica Soft Medium Soft
Nick Heidfeld Medium Medium Soft
Renault
Fernando Alonso Medium Soft DNF
Romain Grosjean Medium DNF
Toyota
Jarno Trulli Medium Medium Soft DNF
Timo Glock Medium Soft Soft
Scuderia Toro Rosso
Jaime Alguersuari Medium DNF
Sebastien Buemi Medium Medium Soft
Red Bull Racing
Mark Webber Medium Medium Medium Soft
Sebastian Vettel Medium Medium Soft
Williams
Nico Rosberg Medium Medium Soft
Kazuki Nakajima Medium Soft
Force India
Adrian Sutil Medium Medium Soft
Giancarlo Fisichella Soft Soft Medium
Brawn
Jenson Button Medium DNF
Rubens Barrichello Soft Medium Medium