River Thames Half Marathon
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River Thames Half Marathon 2026
The Half Marathon takes place on 25 October 2026 in Walton-on-Thames and Weybridge, Surrey. The event is now in its sixth year. The start and finish are at Walton Bridge, postcode KT12 1BT. The race follows the River Thames towpath to Hampton Court Bridge and passes views of the non tidal River Thames.
Course, entries and included services
The course is described as flat, fast, scenic and largely traffic free. Entry fees start from £34 including the registration fee (correct at time of writing). The event includes a bespoke medal, a goody bag, free race photos, accurate chip timing and a free downloadable race certificate with a personalised finish time. The race is held under Run England race licence rules. The event is presented as suitable for runners aiming for a personal best or completing their first half marathon and as a warm-up race for late autumn marathons such as New York, Valencia and Florence. Visit the organization's website for the most recent information.