2005 F1 Championship leaders

Drivers’ Championship

#	Grand Prix	Leader	Lead
1	Australia	(ITA) Giancarlo Fisichella	2
2	Malaysia	(ESP) Fernando Alonso	6
3	Bahrain	(ESP) Fernando Alonso	10
4	San Marino	(ESP) Fernando Alonso	16
5	Spain	(ESP) Fernando Alonso	18
6	Monaco	(ESP) Fernando Alonso	22
7	Europe	(ESP) Fernando Alonso	32
8	Canada	(ESP) Fernando Alonso	22
9	USA	(ESP) Fernando Alonso	22
10	France	(ESP) Fernando Alonso	24
11	Britain	(ESP) Fernando Alonso	26
12	Germany	(ESP) Fernando Alonso	36
13	Hungary	(ESP) Fernando Alonso	26
14	Turkey	(ESP) Fernando Alonso	24
15	Italy	(ESP) Fernando Alonso	27
16	Belgium	(ESP) Fernando Alonso	25
17	Brazil	(ESP) Fernando Alonso	23
18	Japan	(ESP) Fernando Alonso	19
19	China	(ESP) Fernando Alonso	21

← 2004 2006 →

First time as championship leader: Fernando Alonso (first Spanish driver to lead the championship); Giancarlo Fisichella
Last time as championship leader: Giancarlo Fisichella
First time as championship leader by a…: Italian driver since 1985

Constructors’ Championship

#	Grand Prix	Leader	Lead
1	Australia	Renault	8
2	Malaysia	Renault	14
3	Bahrain	Renault	11
4	San Marino	Renault	17
5	Spain	Renault	18
6	Monaco	Renault	12
7	Europe	Renault	23
8	Canada	Renault	13
9	USA	Renault	13
10	France	Renault	18
11	Britain	Renault	15
12	Germany	Renault	22
13	Hungary	Renault	12
14	Turkey	Renault	9
15	Italy	Renault	8
16	Belgium	Renault	6
17	Brazil	McLaren-Mercedes	2
18	Japan	Renault	2
19	China	Renault	9

← 2004 2006 →

First time as championship leader: No constructor led the championship for the first time in 2005
Last time as championship leader: No constructor led the championship for the last time in 2005
First time as championship leader since…: 2003 for McLaren