According to Official Guinness Records,
The highest darts score in one hour by a men's team was 35,087 achieved by the Cork Darts Organisation (Ireland) at the St. Vincent's GAA Club in Cork, Ireland, on 20 March 2010. The team members who participated were Martin Cotter, Damian O'Driscoll, Steven Coveney, John O'Shea, Craig Sproat, Jason Kavanaugh, Kevin McDonnell, and James Corcoran (all Ireland).
For a complete list of 2010 records, please visit 2010 Guinness Records in Ireland.