River Thames Half Marathon
WALTON-ON-THAMES, Surrey, KT12 1QP
Half Marathon
Multi-Terrain Race
England AthleticsGoverning bodyMulti-terrain
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Organised by: River Thames Running
Listed May 2026
About this race
The River Thames Half Marathon is a half marathon based in Walton-On-Thames, Surrey, taking place on Sunday 25 October 2026. Check the linked race pages for entry information and current details. There are 41 half marathons in South East coming up this season — explore more below.
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More half marathons in South East
- Hampton Court Palace Half Marathon OctoberOctober 2026 · East Molesey · 3.1 miles away
- RunThrough Hampton Court Palace Half Marathon & 10k11 October 2026 · East Molesey · 4.2 miles away
- We Will Remember Poppy Run6 November 2026 · 4.9 miles away
- Scare Bear Run 202624 October 2026 · 4.9 miles away
- Kingston Half Marathon & 10k 202622 November 2026 · Kingston · 6.0 miles away
- Remembrance Run 2026 South8 November 2026 · 6.3 miles away
Same weekend nearby in South East
- Thames Trail UltraSaturday 24 October 2026 · TBC
- The Fleet 5 & 10kSunday 25 October 2026 · Fleet
- New Forest 10Sunday 25 October 2026 · Brockenhurst
- Running Tribe Races OctoberSunday 25 October 2026 · TBC
- Wight LinesSunday 25 October 2026
- RunThrough Maidenhead Half Marathon 2026Sunday 25 October 2026 · Maidenhead
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