The Boat Race http://www.theboatrace.org/
The Grand National http://www.aintree.co.uk/pages/grand-national/
The Wimbledon Tennis Championships http://www.wimbledon.org
Polo at Windsor http://www.guardspoloclub.com/
Cowes Week regatta http://www.aamcowesweek.co.uk
The Last Night of the Proms http://www.bbc.co.uk/proms