The race, the longest for individuals in any sport, commences from La Rochelle in France on 17 October 2010. H&K will use its network of global offices, co-ordinated from London.
The agency will engage with national, regional and local media around the world via its offices in France, South Africa, New Zealand, Australia, Brazil, the United States, Germany and Poland.
Tim Kelly, race director of comms, said: 'Following a competitive tender process around the world, Hill & Knowlton presented a very creative pitch, offering a unique solution of a global network that ideally suits the international nature of the VELUX 5 OCEANS. This network offers us flexibility, synergies and a base of knowledge sharing which adds significant value to the race media team.'
The race is run by Clipper Ventures. After France, it heads to Cape Town in South Africa, Wellington in New Zealand, Salvador in Brazil and Charleston in the US before returning across the Atlantic to France.