The Thames Marathon, now in its 8th year, is a 14km long-distance challenge swim from Henley-on-Thames to Marlow. It covers a beautiful stretch of the Thames and has become one of open water swimmings most prestigious marathon swims.
The swim is split into 4 sections. Swimmers will be required to exit the water at the 3 locks (Hambledon at 4km, Hurley at 10km and Temple at 11.8km) where food and drink will be available.
Participants have the choice of waves the first wave will be for faster swimmers wanting to compete against the clock.
There are a limited number of non-wetsuit places available. To be considered for a non-wetsuit place, swimmers must apply through the online entry system, giving details of their open water experience, and if approved will receive a link that allows them to complete their registration and payment. Non-wetsuit places are expected to sell out very quickly.