The Jargon File (version 4.4.7, 29 Dec 2003):
hacking run
n.
[analogy with ?bombing run? or ?speed run?] A hack session extended long
outside normal working times, especially one longer than 12 hours. May
cause you to change phase the hard way (see phase).
The Free On-line Dictionary of Computing (30 December 2018):
hacking run
(Analogy with "bombing run" or "speed run") A hack
session extended long outside normal working times, especially
one longer than 12 hours. May cause you to "change phase
the hard way".
[Jargon File]
(1996-08-26)