Thames Marathon 2020 expected to sell out in record time

Registrations have opened for the award-winning Thames Marathon, a 14km swim from Henley to Marlow in South East England. The Thames Marathon forms one of four events in the Henley Swim portfolio. The organisers note that next year’s event is expected to sell out in record speed.

The event, set to take place on Sunday 16 August 2020, has become an iconic fixture in the UK outdoor swimming world. 

Read the article @endurancebusiness