Thames Marathon

The Thames Marathon is an endurance swim between Henley-on-Thames and Marlow with a choice of 3 distances and a relay option. The swims cover a beautiful stretch of the Thames and has become one of open water swimming’s most prestigious marathon swims. The Event Village, registration and the finish are in Higginson park in Marlow. Swimmers are transported to the start in coaches from here to start their event, swimming back to Marlow. There is also the option to walk or run to the start of the half-marathon.