River Thames Half Marathon

At a glance

River Thames Half Marathon 2026 takes place on 25 October 2026 in Walton-on-Thames, United Kingdom. Distances: 21.098 km.

Date

Sunday, 25 October 2026

Location

Walton-on-Thames, United Kingdom

Distances

• River Thames Half Marathon · 21.098 km · Competitive

Official website

riverthamesrunning.co.uk ↗

Last updated: 19 October 2026

Photos

Photo: Philip Halling, CC BY-SA 2.0, via Wikimedia Commons

Photo: Philip Jeffrey, CC BY-SA 2.0, via Wikimedia CommonsPhoto: James Emmans, CC BY-SA 2.0, via Wikimedia CommonsPhoto: Mertbiol, CC0, via Wikimedia Commons