River Thames to the strong current of the river, but also other river users. Organised swimming events take place at various points generally upstream of Hampton Court, including Windsor, Marlow and Henley. In 2011 comedian David Walliams swam the from Lechlade to Westminster Bridge and raised over £1 million for charity. In non-tidal stretches swimming was, and still is, a leisure and fitness activity among experienced swimmers where safe, deeper outer channels are used in times of low stream. A Thames meander is a long-distance journey over all or part of the Thames by running, swimming or using any of the above
River Thames on the Thames include: Other regattas, head races and university bumping races are held along the Thames which are described under Rowing on the River Thames. Sailing is practised on both the tidal and non-tidal reaches of the river. The highest club upstream is at Oxford. The most popular sailing craft used on the Thames are lasers, GP14s and Wayfarers. One sailing boat unique to the Thames is the Thames Rater, which is sailed around Raven's Ait. Skiffing has dwindled in favour of private motor boat ownership but is competed on the river in the summer months. Six clubs and