Its campaign has been backed by actress Dame Judi Dench, singer Joss Stone and yachtswoman Dame Ellen MacArthur.

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The Vendee, which is run every four years, catapulted Dame Ellen MacArthur to fame in 2001 when she came second.

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Other well-know figures who backed the trust's appeal included chef Rick Stein, actor Richard E Grant, yachtswoman Dame Ellen MacArthur and comedian Paul O'Grady.

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Singer and World War II forces sweetheart Dame Vera Lynn, actor Richard E Grant, yachtswoman Dame Ellen MacArthur, comedian Paul O'Grady, and actress Dame Judi Dench are among well-known figures who have given their support to the campaign.

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