River swims in the UK
Organised river swims allow you to experience beautiful locations from a new perspective in complete safety. River swims can range from less than a kilometre to several miles - some events even use the tide to make it easier! Grab your wetsuit and discover a new way to adventure!
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River swims in 2025
Featured events are listed below - select your region to see all events.
- Fri 1 Aug - Fri 24 Oct
- FREE
Anywhere
Swim Marathon
Take on a challenge like no other as you swim a marathon or half marathon distance over 12 weeks and lift your health, wellbeing and fitness to the next level.
- Charity swim 2
- Sun 15 Jun
- £78
Witney, Oxfordshire, UK
Lock 2 Lock 4K
An open water downstream swim in the river Thames from Eynsham Lock to Kings Lock.
- 4 km river swimming
- Sun 3 Aug
- £120
Oxford, Oxfordshire, UK
Lock 2 Lock 10K
Following the beautiful, meandering River Thames from Farmoor to Godstow, this 10K swim includes three locks with feed stations at each.
- 10 km river swimming