According to Official Guinness Records,
The fastest round of golf by a team is 13 min 42 sec, achieved by Farnham Golf Club Members (UK) in Farnham, Surrey, UK, on 31 May 2015.Participants raised over £1,500 for the Captains' Charity, the local Kent, Surrey and Sussex air ambulance service.
For a complete list of 2015 records, please visit 2015 Guinness Records in United Kingdom.