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1915 Chicago Auto Club Trophy Race

AAA Champ Car Series race number 19 of 27
Friday, August 20, 1915 at Elgin Road Race Course, Elgin, IL
36 laps on a 8.384 mile street course (301.824 miles)

Time of race: 4:01:32
Average speed: 74.979 mph
Pole speed: n/a

Cautions: none
Margin of victory: 212 sec
Attendance: n/a
Lead changes: 4

Pos	St	#	Driver	Sponsor / Owner	Chass./Eng.	Laps	Status	Led
6	–	3	W.W. Brown	DuChesneau (F.A. DuChesneau)	DuChesneau / Brown	25	connecting rod	0
7	–	5	Pete Henderson	Duesenberg	Duesenberg	22	dnf	0
1	–	8	Earl Cooper	Stutz (Stutz Motor Car Company)	Stutz	36	running	26
2	–	6	Gil Andersen	Stutz (Stutz Motor Car Company)	Stutz	36	running	6
3	–	11	Barney Oldfield	Delage (Barney Oldfield)	Delage / Delage	36	running	0
4	–	10	Tom Alley	Ogren Motor Car	Duesenberg	36	running	0
5	–	7	Eddie O'Donnell	Duesenberg (Duesenberg Brothers)	Duesenberg	36	running	0
8	–	4	Ralph DePalma	Mercedes	Mercedes	21	rocker arm	4
9	–	2	Frank Justen	Cornelian (Chevrolet Brothers)	Corbin	11	water line	0

Pos	Name	Sponsor	Car
Failed to qualify, withdrew, or driver changes:
WD	Caleb Bragg	Stutz	Stutz / Stutz
WD	George Patrick	Mercer	Mercer / Mercer

Leader	From Lap	To Lap	# Of Laps
Lap leader breakdown:
Ralph DePalma	1	4	4
Earl Cooper	5	19	15
Gil Andersen	20	25	6
Earl Cooper	26	36	11