River Thames Half Marathon
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River Thames Half Marathon 2026
The River Thames Half Marathon takes place on Sunday, 25th October 2026. The event starts and finishes at Walton Bridge in Surrey. The route follows the River Thames towpath from Walton-on-Thames to Hampton Court Bridge, offering views of the non-tidal Thames.
The course is described as flat and largely traffic-free. The 2026 edition will be the event's sixth year.
Participants receive a bespoke medal, a goody bag, and free race photos. Accurate chip timing is used. After the race, runners can download a personalised certificate with their finish time. The event is held under Run England race licence rules. Visit the organization's website for the most recent information.
