Graham Lock (53, Ireland, MSF bio here, IISA bio here) did not need a wetsuit to complete two crossings of the English Channel, a solo crossing of the North Channel and Bristol Channel, and an Ice Mile in 4.53°C water back in 2019.
On September 21st 2025, he donned a wetsuit and completed the Ironman Wales Triathlon in 14 hours 19 minutes to become the most recent Iron Iceman.
Iron Icemen
- Pádraig Mallon (Ireland) on 20 January 2013
- Paul Fowler (UK) on 29 December 2013
- Stuart Hinde (UK) on 2 March 2014
- Christof Wandratsch (Germany) on 27 December 2014
- Paolo Chiarino (Italy) on 6 January 2015
- John Dyer (UK) on 23 January 2016
- Cerys Thomas (Gibraltar) on 10 February 2016
- Kieron Palframan (South Africa)
- David Coleman (New Zealand) on 14 January 2017
- Leszek Naziemiec (Poland) on 19 March 2017
- Donald McDonald (UK) on 2 February 2018
- Mark Hannigan (Ireland) on 3 February 2018
- Peter Bacon (England) on 3 February 2018
- Uli Munz (Germany) on 3 February 2018
- James Leitch (Scotland) on 10 March 2018
- Andrew Ainge (UK) on 10 March 2018
- Graeme Flitcroft (UK) on 24 March 2018
- Noel Grimes (Ireland) on 19 August 2018
- Ger Kennedy (Ireland)
- Stefan Jung (Germany) on 18 January 2019
- Theo van der Meer (Netherlands) on 18 January 2019
- Philippe Fort (France) on 20 January 2019
- Stephen Rouch (USA) on 23 January 2019
- Mark Dempsey (Ireland) on 2 February 2019
- Joe Zemaitis (USA) on 28 February 2019
- Jerry George (USA) on 28 February 2019
- Alexandre Fuzeau (France) on 4 August 2019 [first within one calendar year for a Guinness World Record
- Lars Mack (Germany) on 4 January 2020
- Darran Cusick (UK) on 7 March 2020
- Hassan Baraka (Morocco) on 21 January 2021
- Alan Gleeson (Ireland) on 30 January 2021
- Albert Stienezen (Netherlands) on 14 January 2022
- William Murphy (Ireland) on 23 January 2022
- Marek Rother (Poland) on 4 September 2022
- Ian Wright (England) on 17 December 2022
- Mark Dempsey (Ireland) on 2 February 2019
- Peter Hancock (Australia) in June 2023
- Robert Vasiliu (Romania) in June 2023
- Marcin Schabowski (Poland) on 3 September 2023
- Philipp Tiefenbrunn (Austria) on 16 June 2024
- Christoph Sivich (Austria) on 6 January 2025
- Johnny O Loughlin (Ireland) on 13 February 2025
- Adam O’Byrne (New Zealand) on 10 July 2025
- Graham Lock (Ireland) on 21 September 2025
Iron Icewomen
- Kellie Joyce Latimer (USA) on 14 December 2014
- Jaimie Monahan (USA) on 2 April 2016
- Claire Bustin-Mulkern (UK) on 25 January 2017
- Conny Prasser (Germany) on 27 January 2017
- Corinna Nolan (Ireland) on 3 February 2018
- Elina Makinen (Finland) on 5 August 2018
- Sophia Nash (Scotland) on 19 January 2019
- Erin Churchill (USA) on 14 December 2019
- Claudia Müller (Austria) on 19 January 2020
- Hanna Bakuniak (Poland) on 22 August 2020
- Cindy Hughes (USA) on 29 November 2020
- Anja Binder (Germany) on 9 August 2021
- Qing Li (USA) on 5 December 2021 (achieved within 29 days)
- Kaetlyn Taylor (USA) on 20 March 2022
- Trisha Harvey (Scotland) on 17 December 2022
- Angela Wood (England) on 17 December 2022
- Madina Kurmanbaeva (Kazakhstan) on 21 January 2023
- Gerda Holla (Netherlands) on 9 September 2023
- Adele Havercroft (England) on 20 January 2024
- Makala Jones (Wales) on January 2025
- Fay Dellimore (England) on 22 February 2025
- Claudia Müller (Germany) on 13 April 2025
- Claudia Müller (Austria) on 16 June 2025 [second Iron Icewoman achievement within 64 days, Nautical Ice Mile]
© 2025 Daily News of Open Water Swimming
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