Henley River Half Marathon
Henley-on-Thames, United Kingdom • 5 Sep 2026
Henley River Half Marathon, 10K & Juniors : 5 September 2026
The Henley River event takes place on 5 September 2026 at Remenham Farm, Remenham Lane, Henley-on-Thames. It is a mixed-terrain trail event held along the banks of the Thames with marked routes and marshal support.
Distances offered
- Half Marathon: mixed terrain, 98 m elevation, 1 mini lap plus 2 laps
- 10K: mixed terrain, 46 m elevation, 1 lap
- Junior Race: mixed terrain, out and back
Entries include a unique themed medal, free race photos, chip timed results and post race goodies. The course is waymarked with trail flags and A5 arrows and is supported by marshals. An event village provides food and drink options and partner giveaways at the finish.
The organiser operates a sustainability programme and has noted sustainability as a priority for future events. A Henley River event t shirt is available at a discounted price when purchased as part of an entry. The event lists RunThrough as the organiser and acknowledges partnership with local landowners and community groups. Visit the organization's website for the most recent information.