and ran with little downforce. Teams also ensured that brakes and cooling systems had no excess strain put upon them because of their heavy usage over a single lap. For the Grand Prix, 11 teams (each representing a different constructor) entered two race drivers each. Following the 2000 race, the Grand Prix organisers extended the length of the kerbs along the side of the track and the gravel traps beside it. An additional row of tyres was erected to improve driver safety. The line demoting the entry to the pit lane was moved from the entry to the final corner to the exit of turn eight. The changes were predicted to affect lap times since cars would have less on-track time and spend more time in their pit stalls. After winning the preceding Spanish Grand Prix, Ferrari driver Michael Schumacher led the Drivers' Championship with 36 points, eight ahead of David Coulthard in the leading McLaren in second. The second Ferrari of Rubens Barrichello was third with 14 points and Williams' Ralf Schumacher was two points behind in fourth. With eight points, Sauber's Nick Heidfeld completed the top five in the standings. In the Constructors' Championship, Ferrari led with 50 points; McLaren stood in second place with 32 points. Williams were third with 18 points, as Jordan with 13 points and Sauber nine contended for fourth place. In preparation for the race, all the teams conducted in-season test sessions at various circuits across Europe. Jaguar, Prost, Benetton, Williams and McLaren went to the Circuit Ricardo Tormo in Valencia from 1 to 3 May. Teams undertook tyre development on behalf of Michelin and Bridgestone, tested their aerodynamic packages; McLaren and Benetton developed the chassis of their MP4/16 and B201 cars. Jordan, Sauber, British American Racing (BAR) and Arrows tested at the Silverstone Circuit in Silverstone from 1 to 3 May, which was disrupted on the first day when Kimi Räikkönen's Sauber was caught off guard by Jordan test driver Ricardo Zonta at the exit to Becketts corner. Sauber assessed launch control for the first time. Minardi tested launch control and a revised electronics package at the Fiorano Circuit in Italy with driver Fernando Alonso, joining Ferrari who utilised the track for car development and reliability testing. At the previous round in Spain, Coulthard stalled on the starting grid and McLaren team principal Ron Dennis accused him of "brain fade", a remark