Lots of details here about the Races, Planes, Pilots, Qual Speeds and more from NCAR.

[SkyvanDelta]

Look here: http://reports.airrace.org/

Qualifying Speeds highest.

-Jet Class. 491mph.
http://reports.airrace.org/2015/2015...rs.Report.html

-Unlimited Class. 480mph.
http://reports.airrace.org/2015/2015...rs.Report.html

-Sport Class. 397mph.
http://reports.airrace.org/2015/2015...rs.Report.html

-Biplane Class. 284mph.
http://reports.airrace.org/2015/2015...rs.Report.html

-Formula Class. 252mph.
http://reports.airrace.org/2015/2015...rs.Report.html

-T6 Class. 236mph.
http://reports.airrace.org/2015/2015...rs.Report.html

Course layout.
http://reports.airrace.org/2015/2015...RaceCourse.pdf

Race Schedule.
http://reports.airrace.org/2015/2015...e.Planning.pdf