Dr Abi Lafbery on wild swimming, waterways, and how we swim in a changing world

Dr Abi Lafbery has a PhD in outdoor swimming from Lancaster University in the UK. Her thesis focussed on the health, thoughts, experiences and behaviours of wild/open water swimmers, the health of the water they swim in, and swimmers’ impacts on waterways. For almost five years she was researching and writing about swimming, flora and fauna, pollution, and climate.

In this episode we talk about Abi’s own swimming in Cornwall, the Lake District, and on the wild, post-industrial coast of North West England; what she discovered from her research and interviews with outdoor swimmers; the ‘immersive knowledge’ (Abi coined this term!) that we develop from getting into open water and observing what is around us; issues, rights, and decision-making around access to waterways and water quality; how swimming can be environmental, comforting, liberating, or even a ‘wild’ act that transcends societal boundaries; and our connections to water, other people, and ourselves.

Read Abi’s articles:

• ​In hot water: swimming and climate change (Outdoor Swimmer magazine, January 2026 – paywalled) 
• ​Outdoor swimming is becoming a sanctuary for female swimmers in the UK (The Conversation, December 2025)

In this episode I mention Jono Ridler, who is swimming down the east coast of the North Island (1600km over 90 days) to end bottom trawling in NZ – find out more at swim4theocean.com and sign the petition.

Abi also mentions ‘sea gooseberries’ and I wondered if they were the same as salps – apparently they are similar but not identical! Sea gooseberries are ctenophores (comb jellies), while salps are barrel-shaped tunicates that swim by pumping water. Both are harmless, non-stinging, and jelly-like.

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