Henley River Half Marathon

Henley-on-Thames, United Kingdom • 5 Sep 2026

Henley River Half Marathon, 10K & Junior Race, 5 September 2026

The event takes place on 5 September 2026 at Remenham Farm in Henley-on-Thames. The route runs along the banks of the River Thames and starts and finishes at Remenham Farm. The course is mixed terrain and undulating, and it is marked with trail flags and A5 arrows. Marshals are positioned around the course.

Distances and formats

  • Half Marathon: Mixed terrain, undulating, elevation 98 m, 1 mini lap plus 2 laps
  • 10K: Mixed terrain, undulating, elevation 46 m, 1 lap
  • Junior Race: Mixed terrain, undulating, out and back course

Entries include a unique themed medal, free race photos, chip-timed results and post race goodies. An event village provides food and drink options and free items from partners at the finish. The organiser highlights sustainability as an increasing priority and offers an event t-shirt at more than 30% off when bought as part of the entry via RT Kit.

The organiser acknowledges support from Henley Regatta, Remenham Farm, Remenham Parish and local residents. Visit the organization's website for the most recent information.

Race information

Half Marathon
Half Marathon
10 km
10k
Visit the organization's website for the most recent information.
Trail runs nearby

A flexible 6-hour timed run along the flat, scenic Jubilee River near Slough. Run as many laps as you like on the 5.24-mile course, with everyone receiving a finisher's medal. The route offers countryside views and a riverside path.

A seven hour timed Chasing Numbers event on 12 June 2026 in Egham with a signed lap course along the River Thames. Finishers from 3 km receive a medal and goody bag and distance pins are available for longer achievements.

A flexible Friday run along the Thames. Choose your start time and your distance, from a 5k lap to an ultra. It's a smaller event with a lower fee, but you still get one of the famous Phoenix medals.

A timed multi-lap event on a flat 5.3 km out and back towpath course along the Thames offering distances from 5 km up to ultra with flexible start times, themed ducky incentives and a large spinning medal for finishers.

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