Volunteers will also be required to work at venues across London as well as at the 2012 sailing events in Weymouth and Portland, Dorset, and rowing events at Eton Dorney Lake in Buckinghamshire.

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The weather has proved most challenging at more rural venues such as Greenwich park and Eton Dorney, where tracks are being laid for vehicles and spectators advised to wear wellies and wet weather gear.

FORBES: As Bad Weather Persists, Olympic Organizers Make Contingency Plans

There were five other GB golds on Sunday, including in the mixed cox fours at Eton Dorney, Berkshire - watched by the Duchess of Cambridge as well as the Countess of Wessex and her eight-year-old daughter Lady Louise Windsor.

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