Thames Meander Autumn
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Overview
Thames Meander Autumn is a riverside running event organised by Hermes Running, scheduled for 4 October 2026. The race series uses out-and-back routes along the Thames Path between the Barnes area and Petersham. The course is described as flat and runnable. The event includes professional medical support from KLP Medics and marked, marshalled routes. Check points on the route are stocked with energy foods, gels, drinks and electrolyte powders. Runners World has listed the event among top trail marathons in the U.K.
Routes, distances and entry
- 10 km - one out-and-back lap to Kew Gardens Car Park (turnaround).
- Half marathon - one 13.1 mile out-and-back loop to the Petersham/Barnes turnaround.
- Marathon - two 13.1 mile out-and-back loops.
The route is a trail run that runs alongside the Thames Path and is shared with members of the public, including cyclists, so runners may encounter other path users. Entry fees vary by distance, with total fees across the event range stated between £33 and £55. Age limits are specified for entrants (you must be at least 17 or 18 depending on distance, with upper limits noted). Course maps and GPX files are provided by the organiser. Visit the organization's website for the most recent information.
