According to Official Guinness Records,
The largest pencil measured 23.23 m (76 ft 2.75 in) and weighed 98.43 tonnes (21,700 lb) and was created by Ashrita Furman (USA) and members of the Sri Chinmoy Centre in New York, New York, USA, on 27 August 2007.
For a complete list of 2007 records, please visit 2007 Guinness Records in United States.