Participants who attempted a 2-hour swim in each condition and the outcome, ordered by least-to-most skinfold thickness
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | Total completed | |
| 14°C | C | S (66, unwell) | W (78) | C | 2/4 | ||||||||
| 16°C | S (34) | W (60) | S (64) | S (42) | S (106) | C | C | C | S (111) | C | C | C | 6/12 |
| 18°C | S (64) | W (90) | C | S (49) | C | C | C | C | C | C | C | C | 9/12 |
| 20°C | S (95) | C | S (65, injury) | S (47, cramp) | C | C | 3/6 |
C, completed condition; S, stopped swim early (time and reason if not due to cold); W, withdrawn due to Tre falling to 35°C (time in minutes).