The downpourings of rain added difficulty to the challenge, with participants prohibited from using traditional swimming strokes when competing.
The event, sparked long ago from a conversation about possible charity events in a pub, is in its 33rd edition.
Neil Rutter from Swindon defended his title in the men’s category, swimming two lengths of the bog in one minute 18.82 seconds, while Elinor McCormac took the top spot in the women’s category, with a time of one minute 48.46 seconds.
The competition is part of the World Alternative Games and is held in the small town of Llanwrtyd Wells, which has a population of 600 people.
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