low pressure systems from the Atlantic Ocean which unleash powerful swells eastwards creating multiple, excellent surfing conditions around Cornwall. Newquay, one of Britain's "premier surfing towns", regularly hosts world championship surfing events. Surfing in particular is very popular, as locations such as Bude and Newquay offer some of the best surf in the UK. On 2 September 2007, 300 surfers arrived at Polzeath beach, Cornwall to set a new world record for the highest number of surfers riding the same wave (as part of the Global Surf Challenge and part of a project called Earthwave to raise awareness about global warming). Pilot gig rowing has been popular for many years. The Isles of Scilly hosts the World Pilot Gig Championships every year. There are sailing clubs at some of the ports, e.g. Fowey. The Royal Fowey Yacht Club is located in a waterfront setting at Fowey: was founded in 1880. Its third Honorary Secretary, from 1893, was Arthur Quiller-Couch, who became Sir Arthur. The Lerryn Regatta was a popular annual event and at one time it was called The Henley of the West. It was mentioned in the Royal Cornwall Gazette of 1870. There was a break for the first World War and the regatta restarted with a Peace Regatta in 1919. There was a second break for the second World War and the regatta restarted in 1953 and ran until 1968 when four thousand people attended. Rock climbing Rock climbing on the sea cliffs and inland cliffs has been popular since the pioneering work of A. W. Andrews and others in the early 1900s, and is now highly developed. Motor sport Davidstow Circuit was established in 1952 on the former military airfield and later modified. The track was long and used the main runways of RAF Davidstow Moor. Three Formula 1 races were held here between 1954–1955. The circuit hosted its last race in 1955. From 2001 until 2003, the only fully professional sports team in Cornwall were the Trelawny Tigers speedway team, who raced at the Clay Country Moto Parc in the clay pits near St Austell. The team took over from the St Austell Gulls who were an amateur speedway team which operated from 1997 to 2000. The Gulls also operated at Par Moor in the 1950s. During the Trelawny Tigers years, a local young speedway rider emerged called Chris Harris. He has twice won the local