From a German site (please pardon the poor translation)
Gary Mounsey (most balls within 24 hours): 11,700; therefore one every 7.38 seconds. Set up became the record on the 30th of June / 1st of July 1979 in Hamilton (New Zealand).
Game fastest pool:
Dave Pearson (GB) set up it on the 4th of April 1997 in Pepper's bar at grill in Windsor (CDS) a pool speed record: In 26.5 seconds, it sank all 15 balls. (Would swell: Guinness book of the records 2001)
The record at the women holds with 37.07 seconds Susan Thompson (GB), set up has it it in the phoenix pool & Snooker club in Wallasey (GB) on the 1st of December 1996th (source: Guinness book of the records 2001)
http://www.poolsensation.net/records.php
Marathon: The world record in the duration of pool billiard stands now in 318 hours, set up of Ralf Brauckhaus (*1969) out of Balve and Thomas Steiner (*1962) out of Menden between that 18th and 31st of March 1988th both came in Menden on more than 1,500 parties. (Would swell: Guinness book of the records)