Map of the 1908 Course

The 1908 course was finalized in late September, including only 9 miles of the Long Island Motor Parkway and 11 new Motor Parkway bridges over and under public roads. The remainder of the course was 16.46 miles of public roads, primarily Round Swamp Road, Plainview Road, Jericho Turnpike, and Ellison Avenue. The Vanderbilt Cup Commission of the AAA announced the race would consist of 11 laps or 258.06 miles to be held on Saturday, October 24, 1908.