{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,19]],"date-time":"2026-09-19T20:08:58Z","timestamp":1789848538899,"version":"4.0.1"},"reference-count":16,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2026,1,21]],"date-time":"2026-01-21T00:00:00Z","timestamp":1768953600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,1,21]],"date-time":"2026-01-21T00:00:00Z","timestamp":1768953600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["physoc.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Experimental Physiology"],"published-print":{"date-parts":[[2026,4]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Marathon open\u2010water swimming presents extreme thermophysiological challenges, particularly in cold environments. This case report describes continuous core temperature data from a solo crossing of New Zealand's Foveaux Strait, an infamously cold (13\u00b0C \u201314\u00b0C), turbulent open\u2010water swim. A 52\u2010year\u2010old male swimmer (body mass index, 27.9 kg\u00a0m\n                    <jats:sup>\u22122<\/jats:sup>\n                    ; body fat, 18%) completed the 37\u00a0km swim in 9\u00a0h 52\u00a0min under standard marathon swimming rules (no wetsuit). Core temperature (measured via an ingestible thermometer pill) decreased rapidly after immersion, falling from 37.9\u00b0C to\u00a0&lt;35.0\u00b0C within 50\u00a0min. The swimmer reached a nadir of 33.88\u00b0C at 2\u00a0h 42\u00a0min and remained hypothermic for more than half of the swim (total, 369\u00a0min). Despite this, he displayed no overt cognitive or motor impairment, completed the swim unaided and did not experience an after\u2010drop post\u2010immersion. This case highlights the remarkable thermoregulatory tolerance of a cold\u2010adapted endurance swimmer.\n                  <\/jats:p>","DOI":"10.1113\/ep093270","type":"journal-article","created":{"date-parts":[[2026,1,21]],"date-time":"2026-01-21T19:50:37Z","timestamp":1769025037000},"page":"1652-1656","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Prolonged stable hypothermia during a 10\u2010hour cold open\u2010water marathon swim"],"prefix":"10.1113","volume":"111","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7178-3239","authenticated-orcid":false,"given":"Brendon H.","family":"Roxburgh","sequence":"first","affiliation":[{"name":"School of Physical Education, Sport and Exercise Sciences University of Otago  Dunedin New Zealand"},{"name":"HeartOtago University of Otago  Dunedin New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David T.","family":"Edgar","sequence":"additional","affiliation":[{"name":"Human Performance Lab New Zealand Defence Force  Wellington New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6014-9865","authenticated-orcid":false,"given":"James D.","family":"Cotter","sequence":"additional","affiliation":[{"name":"School of Physical Education, Sport and Exercise Sciences University of Otago  Dunedin New Zealand"},{"name":"HeartOtago University of Otago  Dunedin New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,1,21]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1123\/ijspp.2017-0230"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1038\/sj.ejcn.1602003"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.1580\/08-WEME-OR-214.1"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.1249\/01.mss.0000241641.75101.64"},{"key":"e_1_2_9_6_1","doi-asserted-by":"publisher","DOI":"10.1123\/ijspp.2020-0875"},{"key":"e_1_2_9_7_1","volume-title":"Rules of Marathon Swimming","author":"Federation M. 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