River Thames Half Marathon
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River Thames Half Marathon 2026
The River Thames Half Marathon takes place on 25th October 2026 in Walton-on-Thames and Weybridge in Surrey. The event is now in its sixth year and has its start and finish at Walton Bridge, Walton-on-Thames, Surrey KT12 1BT.
The route follows the River Thames towpath from Walton-on-Thames to Hampton Court Bridge and runs alongside the non tidal River Thames. The course is described as flat, fast and largely traffic free.
Entry is listed from £34 including the registration fee at the time of writing. Race services and inclusions noted for participants are an event medal, a well stocked goody bag, accurate chip timing, free race photos and a downloadable race certificate with a personalised finish time. The event is held under Run England race licence rules and the organiser cites enthusiastic marshals and efficient on-the-day organisation.
The race is presented as a preparation event for late autumn marathons such as New York, Valencia and Florence and is also described as suitable for runners aiming to set a personal best or to complete their first half marathon. Visit the organization's website for the most recent information.
