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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