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PetanqueWorldRecord.blogspot.com
There's not much history on the internet on the 2006 German record (40.5 hrs).
Petanque.org has this report on the Australian record in 2005 (27.5 hrs).
While searching I came across this bizarre video clip of 2001. A record of seven consecutive hits? Most participants at any shooting competition to speak of could easily beat that, don't you think? Without the antics maybe.