Courtesy of WOWSA, Huntington Beach, California.

Ben Barham of the Lake Geneva Swimming Association announced that Mark Sheridan became the first British athlete to successfully complete a 69 km crossing of Lake Geneva. His swim of 33 hours 6 minutes placed him 54th in history’s 24-Hour Club:

Members of the 24-Hour Club compiled by the World Open Water Swimming Association as of July 2016 include the following swimmers, listed by length of time in the water:

1. John Sigmund (USA) 292 miles (470 km) down the Mississippi River (Missouri, USA) in 1940 in 89 hours 46 minutes
2. Pedro A Candiotti (Argentina) 281 miles (452 km) downstream in River de la Plata (Argentina) in 1935 in 84 hours 0 minutes
3. Pedro A Candiotti (Argentina) 205 miles (330 km) downstream in River de la Plata (Argentina) in 1943 in 74 hours 30 minutes
4. Charles Zibelman (USA) 288 miles (463 km) downstream in the Hudson River (USA) in 1938 in 74 hours 0 minutes
5. Pedro A Candiotti (Argentina) 211 miles (339 km) downstream in River de la Plata (Argentina) in 1931 in 71 hours 55 minutes
6. Pedro A Candiotti (Argentina) 210 miles (337 km) downstream in River de la Plata (Argentina) in 1930 in 66 hours 15 minutes
7. Vicki Keith (Canada) 49.8 miles (80.2 km, all butterfly) crossing of Lake Ontario (Canada) in 2005 in 63 hours 40 minutes
8. Abdul Latif Abou Heif (Egypt) 285 miles (458 km) downstream in River de la Plata (Argentina) in 1970 in 60 hours 0 minutes
9. Vicki Keith (Canada) 64 miles (103 km) in a two-way crossing of Lake Ontario (Canada) in 1987 in 56 hours 10 minutes
10. Martin Strel (Slovenia) 100 miles (162 km) from Lignano to Ravenna (Italy) in the Adriatic Sea in 1994 in 55 hours 11 minutes
11. Vicki Keith (Canada) 45 miles (72 km) in Lake Michigan (Illinois, USA) in 1988 in 52 hours 45 minutes
12. Alex Cape (Canada): 58.5 miles (94.2 km) in Cowichan Lake in Canada in August 2015 in 50 hours 36 minutes
13. Zhang Jian (China) 76.5 miles (123 km) in Bohai Bay (China) in 2000 in 50 hours 22 minutes
14. Veljko Rogošić (Croatia) 106.2 miles (171 km) across the Adriatic Sea in Italy in 2006 in 50 hours 10 minutes
15. Vicki Keith (Canada) 48 miles (77.2 km) in Lake Huron (USA-to-Canada) in 1988 in 46 hours 55 minutes
16. Imre Szenasi (Hungary) 136 miles (219 km) in the River Tisza (Romania) in 1962 in 44 hours 50 minutes
17. Otto Kemmerich (Germany) 50 miles (81 km) across Danzig in East Prussia in the Baltic Sea in 1928 in 43 hours 30 minutes
18. Sean O’Connell (Bermuda) 37.5 miles (60.3 km) around Bermuda in 1976 in 43 hours 27 minutes
19. Kevin Murphy (UK) 48 miles (77.2 km) in Lake Balaton (Hungary) in 1973 in 43 hours 15 minutes
20. Antonio Abertondo (Argentina, photo above) 42 miles (67.5 km) in a two-way crossing of the English Channel in 1961 in 43 hours 10 minutes
21. Vedika Bolliger (Switzerland) approximately 46.6 miles (75 km) across Lake Geneva in 1999 in 42 hours 45 minutes
22. Chloë McCardel (Australia) 78.2 miles (126 km) from Eleuthera to Nassau in the Bahamas in 2014 in 42 hours 30 minutes
23. Firas Moualla (Syria) 77 miles (124 km) from Cape Andreas on the island of Cyrus to Latakia City in Syria in 2007 in 42 hours 0 minutes
24. Imre Szenasi (Hungary) 81 miles (130 km) in the River Tisza (Romania) in 1969 in 41 hours 40 minutes
25. Martin Strel (Slovenia) 62.5 miles (100.5 km) from Venice (Italy) to Portorose (Slovenia) in 1996 in 41 hours 11 minutes
26. Jay Serdula (Canada) 28 miles (45 km) across Lake Ontario (Canada) in 2008 in 41 hours 1 minute
27. Penny Palfrey (Australia) 67.2 miles (108 km) from Little Cayman to Grand Cayman (Cayman Islands) in 2011 in 40 hours 41 minutes
28. Wendy Trehiou (Jersey) 42 miles (67.5 km) two-way crossing of the English Channel in 2013 in 39 hours 9 minutes
29. Susie Maroney (Australia) 58 miles (93 km) from Mexico to Cuba in 1998 in 38 hours 33 minutes
30. Jon Erikson (USA) 63 miles (101.3 km) in a three-way crossing of the English Channel (England-France) in 1981 in 38 hours 27 minutes
31. Vojislav Mijić (Serbia) 108.7 miles (175 km) down the River Danube in Eastern Europe in 1994 in 38 hours 12 minutes
32. Ted Erikson (USA) 60 miles (96.5 km) in a pro race in Lake Michigan (Illinois, USA) in 1963 in 37 hours 31 minutes
33. Miyuki Fujita (Japan) 36 mile (58 km) in a three-way crossing of the Tsugaru Channel (Japan) in 2006 in 37 hours 24 minutes
34. Ted Erikson (USA) 36.75 miles (59 km) in a pro race in Lake Michigan (Illinois, USA) in 1961 in 36 hours 37 minutes
35. Martin Strel (Slovenia) 62.5 miles (100.5 km) from Koper (Slovenia) to Venice (Italy) in 1999 in 36 hours 30 minutes
36. Zhang Jian (China) 42.8 miles (69 km) across Xingkai Lake in 2010 in 36 hours 30 minutes
37. Vojislav Mijić (Serbia) 86.3 miles (139 km) down the Sava River, Serbia in 1992 in 36 hours 30 minutes
38. Chloë McCardel (Australia) 63 miles (101 km) in a three-way crossing of the English Channel in 2015 in 36 hours 12 minutes
39. Kevin Murphy (UK) 42 miles (67.5 km) in a two-way crossing of the English Channel (England-France) in 1975 in 36 hours 3 minutes
40. Dr. Harry Briggs (USA) 32 miles from Canada to Ohio across Lake Erie in 35 hours 55 minutes
41. Ted Erikson (USA) 50 miles (80.4 km) in a pro race in Lake Michigan (Illinois, USA) in 1962 in 35 hours 45 minutes
42. Lisa Cummins (Ireland) 42 miles (67.5 km) in a two-way crossing of the English Channel (England-France) in 2009 in 35 hours 36 minutes
43. Mihir Sen (India) 51 miles (82 km) across the Panama Canal (Pacific-Atlantic Oceans) in 1966 in 35 hours 30 minutes
44. Diane Struble (USA) 32 miles (51 km) in Lake George (New York, USA) in 1958 in 35 hours 30 minutes
44. John Munro (Canada) 35 miles (56 km) across Lake Ontario (Canada) in 2003 in 35 hours 15 minutes
45. Kevin Murphy (UK) 42 miles (67.5 km) in a two-way crossing of the English Channel (England-France) in 1970 in 35 hours 10 minutes
47. Alison Streeter MBE (UK) 63 miles (101 km) in a three-way crossing of the English Channel (England-France) in 1990 in 34 hours 40 minutes
48. Abdul Latif Abou Heif (Egypt) 60 miles (96.5 km) in Lake Michigan (Illinois, USA) in 1963 in 34 hours 38 minutes
49. Cindy Cleveland (USA) 48 miles (77 km) in a circumnavigation around Catalina Island (California, USA) in 1979 in 34 hours 24 minutes
50. Paul Chotteau (France) 20.2 miles (32.5 km) in a crossing of the Catalina Channel (California, USA) in 1936 in 33 hours 50 minutes
51. Stacy Chanin (USA) 60.9 miles (98 km) in a triple circumnavigation of Manhattan Island (New York, USA) in 1984 in 33 hours 39 minutes
52. Yuko Matsuzaki (Japan) 51.5 miles (83 km) in Lake Cane (Florida, USA) in 2008 in 33 hours 24 minutes
53. Sandra Blewitt (New Zealand) 50 miles (80.6 km) across Lake Taupo, New Zealand in 1986 in 33 hours 21 minutes
54. Mark Sheridan (Great Britain) 42.8 miles (69 km) across Lake Geneva in 33 hours 6 minutes
55. Skip Storch (USA) 85.5 miles (137 km) in a triple circumnavigation around Manhattan Island (New York, USA) in 2007 in 32 hours 52 minutes
56. Jaimie Monahan (USA) 42.8 miles (69 km) in a crossing of Lake Geneva in Switzerland in 2015 in 32 hours 52 minutes
57. Carlos Costa (Canada) 28 miles (45 km) across Lake Ontario (Canada) in 1993 in 32 hours 43 minutes
58. Kevin Murphy (UK) 42 miles (67.5 km) in a two-way crossing of the English Channel (England-France) in 1987 in 32 hours 42 minutes
59. Jenna Lambert (Canada) 20.7 miles (33 km) across the east end of Lake Ontario (Canada) in 2006 in 32 hours 18 minutes
60. George Dempsey (USA) 32 miles (51.5 km) in a crossing of Lake George, New York (USA) in 1967 in 32 hours 15 minutes
61. Jose Cortinas (Cuba) 20.2 miles (32.5 km) in a crossing of the Catalina Channel (California, USA) in 1953 in 32 hours 10 minutes
62. Alex Cape (Canada) swam 43.4 miles (70 km) across the length of Cowichan Lake in August 2014 together with Susan Simmons in 32 hours 0 minutes
63. Susan Simmons (Canada) swam 43.4 miles (70 km) across the length of Cowichan Lake in August 2014 together with Alex Cape in 32 hours 0 minutes
64. Brenda Sherratt (UK) 22.5 miles (36.2 km) in a crossing of Loch Ness (Scotland) in 1966 in 31 hours 27 minutes
65. Bill Stevens (USA) 32 miles (51.5 km) in a crossing of Lake George, New York (USA) in 1962 in 31 hours 27 minutes
66. Myrtle Huddleston (USA) swam in Del Ray Beach, Florida (USA) in 1928 for 31 hours 18 minutes
67. Chris Stockdale, MBE (England) swam 32 miles (51.5 km) across the length of Lake Garda (Italy) from Torbole to Peschiera in 1989 in 31 hours 10 minutes
68. Ray Gandy (USA) 46 miles (74 km) in a two-way crossing of Lake Memphremagog (Vermont, USA to Quebec, Canada) in 2012 in 31 hours 5 minutes
69. Vicki Keith (Canada) 32 miles (51 km all butterfly) in a crossing of Lake Ontario (Canada) in 1989 in 31 hours
70. Greta Andersen (USA) 50 miles (80.5 km) in a pro race in Lake Michigan (Illinois, USA) in 1962 in 31 hours
71. Ted Erikson (USA) 42 miles (67.5 km) in a two-way crossing of the English Channel (England-France) in 1965 in 30 hours 3 minutes
72. Sarah Thomas (USA) 50 miles (80.4 km) in a two-way crossing of Lake Memphremagog (Canada-USA) in 2013 in 30 hours 1 minute
73. Antonio Abertondo (Argentina) 50 miles (80.5 km) across the River de la Plata (Uruguay-Argentina) in 1950 in 30 hours 0 minutes
74. Yuko Matsuzaki (Japan) 51.5 miles (83 km) in Lake Cane (Florida, USA) in 2007 in 29 hours 55 minutes
75. Jon Erikson (USA) 42 miles (67.5 km) in a two-way crossing of the English Channel (England-France) in 1975 in 29 hours 50 minutes
76. Martin Strel (Slovenia) 48 miles (78 km) from Africa to Europe in 1997 in 29 hours 36 minutes
77. Jerry Ferris (USA) in a crossing of Lake George, New York (USA) in 1983 in 29 hours 15 minutes
78. Abdul Latif Abou Heif (Egypt) in Montreal (Canada) in 1966 in 29 hours 0 minutes
79. Kim Middleton (Canada) 31.7 miles (51 km) across Lake Ontario (Canada) in 1993 in 29 hours 0 minutes
80. Vedika Bolliger (Switzerland) 34.7 miles (56 km) across Lake Zurich both ways from Zurich to Rapperswil and back in 29 hours 0 minutes
81. Jose Cortinas (Cuba) 20.2 miles (32.5 km) in a crossing of the Catalina Channel (California, USA) in 1952 in 28 hours 55 minutes
82. Jackie Cobell (UK) 21 miles (33.7 km) across the English Channel (England-France) in 2010 in 28 hours 44 minutes
83. Batista Pereira (Portugal) 128 miles (206 km) down the Tejo River (Portugal) in 1959 in 28 hours 43 minutes
84. Tina Neill (USA) 52 miles (83.6 km) from San Clemente Island to California (USA) in 2012 in 28 hours 41 minutes
85. Anne Cleveland (USA) 42 miles (67.5 km) in a two-way crossing of the English Channel (England-France) in 2004 in 28 hours 36 minutes
86. Philip Rush (New Zealand) 63 miles (101.3 km) in a three-way crossing of the English Channel (England-France) in 1987 in 28 hours 21 minutes
87. Tita Llorens (Spain) 52.3 miles (84.3 km) across Cruce Canal Ibiza-Mallorca from Ibiza to Mallorca, Spain in 2015 in 28 hours 13 minutes
88. Jason Betley (USA) 20.2 miles (32.5 km) in a two-way crossing of the Catalina Channel in 2015 in 28 hours 10 minutes
89. Martin Strel (Slovenia) 65 miles (105 km) down the Krka River (Slovenia) in 1992 in 28 hours 0 minutes
90. Ray Gandy (USA) 45.6 miles (73 km) in Narraganset Bay (Rhode Island, USA) in 2011 in 27 hours 42 minutes
91. Liane Llewellyn (UK) 42 miles (67.5 km) in a two-way crossing of the English Channel (England-France) in 2009 in 27 hours 35 minutes
92. Diana Nyad (USA) 52 miles (82 km) from the North Bimini Island (Bahamas) to Florida (USA) in 1979 in 27 hours 30 minutes
93. Des Renford MBE (Australia) 58 miles (93 km) from Sydney Harbour to North Wollongong Harbour (Australia) in 1974 in 27 hours 29 minutes
94. Nick Adams (UK) 42 miles (67.5 km) in a two-way crossing of the English Channel (England-France) in 1995 in 27 hours 28 minutes
95. Jorge Crivilles Villanueva (Spain) 105 km Javea-Ibiza in 2013 in 27 hours 15 minutes
96. Rick Goodwin (Canada) 32 miles (51 km) across Lake Ontario (Canada) in 1994 in 27 hours 6 minutes
97. Vicki Keith (Canada) 32 miles (51 km) across Lake Ontario (Canada) in 1986 in 26 hours 59 minutes
98. Greta Andersen (USA/Denmark) 40.4 miles (65 km) in a two-way crossing of the Catalina Channel (California, USA) in 26 hours 53 minutes
99. Kevin Murphy (UK) 56 miles (90 km) around the Isle of Wight (UK) in 1971 in 26 hours 51 minutes
100. Stella Taylor (USA) in a crossing of Lake George, New York (USA) in 1977 in 26 hours 51 minutes
101. Henry Sullivan (USA) 21 miles (33.7 km) in a crossing of the English Channel (England-France) in 26 hours 50 minutes
102. John Bulsza (USA) 34.5 miles (55 km) across Lake Huron (USA-to-Canada) in 1996 in 26 hours 49 minutes
103. Annaleise Carr (Canada) 31.3 miles (50.5 km) across Lake Ontario (USA-to-Canada) in 2012 in 26 hours 41 minutes
104. Anna Wardley (UK) 56 miles (90 km) around the Isle of Wight (UK) in 2013 in 26 hours 33 minutes
105. Kim Lumsdon (Canada) 32 miles (51 km) across Lake Ontario (Canada) in 2006 in 26 hours 27 minutes
106. Doreen Miller (USA), 42 miles (67.5 km) in a two-way crossing of the English Channel in 2014 in 26 hours 21 minutes
107. Michael Read MBE (UK) 42 miles (67.5 km) in a four-way crossing of Windermere (England) in 1972 in 26 hours 16 minutes
108. Alper Sunaçoğlu (Turkey) 48.4 miles (78 km) from Turkey to Cyprus in the Mediterranean Sea in 2010 in 26 hours 15 minutes
109. Kim Middleton (Canada) 29 miles (47 km) across Lake Ontario (Canada) in 1994 in 26 hours 14 minutes
110. Mike Read MBE (UK) 42 miles (67.5 km) four-way crossing of Windermere in 26 hours 3 minutes
111. Shelagh Freedman (Canada) 32 miles (51 km) across Lake Ontario (Canada) in 1993 in 26 hours 3 minutes
112. Tony Bailey (UK) 20.1 miles (33.7 km) across the English Channel in 2014 in 25 hours 56 minutes
113. Pat Budney (USA) 26 miles (42 km) across Lake Erie from Canada to USA in 1975 in 25 hours 52 minutes
114. Stuart Johnson (Australia) 42 miles (67.5 km) in a two-way crossing of the English Channel (England-France) in 2011 in 25 hours 50 minutes
115. Mihir Sen (India) 35 miles (56 km) across the Palk Strait from India to Ceylon (Sri Lanka) in 25 hours 44 minutes
116. Paula Stephanson (Canada) 31.9 miles (51 km) across Lake Michigan (USA) in 2009 in 25 hours 38 minutes
117. Forrest Nelson (USA) 48 miles (77 km) in a circumnavigation around Catalina Island (California, USA) in 2011 in 25 hours 35 minutes
118. Attila Manyoki (Hungary) 49.7 miles (80 km) in Lake Balaton (Hungary) in 2008 in 25 hours 32 minutes
119. Alejandro Larriera (Argentina) 35 miles (57 km) upstream against the Parana River in Argentina along the Maratón Acuática Internacional Santa Fe – Coronda course in 1988 in 25 hours 11 minutes
120. Bob Weir (Canada) 35 miles (56 km) across Lakes Couchiching/Simcoe (Canada) in 1991 in 25 hours 8 minutes
121. Bill Sadlo (America) 32 miles (51 km) across Lake Ontario (Canada) in 1957 in 25 hours 1 minute
122. Palmer Donnelly (USA) 35 miles (56 km) around Staten Island (New York, USA) in 1961 in 25 hours 0 minutes
123. Elizabeth Fry (USA) 42 miles (67.5 km) in a two-way crossing of the English Channel (England-France) in 2011 in 24 hours 41 minutes
124. Michael Read MBE (UK) 56 miles (90 km) around the Isle of Wight (UK) in 1972 in 24 hours 36 minutes
125. Jaime Caballero (Spain) 42 miles (67.5 km) in a two-way crossing of the English Channel (England-France) in 2013 in 24 hours 36 minutes
126. Craig Lenning (USA) 42 miles (67.5 km) in a two-way crossing of Lake Tahoe in 2013 in 24 hours 35 minutes
127. Bridgette Hobart (USA) 37.9 miles (60.9 km) in a crossing of Seneca, one of the New York Finger Lakes in 2015 in 24 hours 31 minutes
128. Cindy Cleveland (USA) 40.2 miles (65 km) in a two-way crossing of the Catalina Channel (California, USA) in 1977 in 24 hours 30 minutes
129. Jon Erikson (USA) 36.75 miles (59 km) in Lake Michigan (Michigan City – Chicago, Illinois, USA) in 1971 in 24 hours 30 minutes
130. Madhu Nagaraja (India) 25.6 miles (41.3 km) across Lake Ontario (Canada) in 2012 in 24 hours 29 minutes
131. Susanne Robinson (Canada) 32 miles (51 km) across Lake Ontario (Canada) in 2010 in 24 hours 28 minutes
132. Bruno Baumgartner (Swiss) 68.06 km across Lake Constance (German: Bodensee) (Germany) in 2013 in 24 hours 20 minutes
133. Lilian Harrison (Argentina) 30 miles (49 km) swam the river Plate (Uruguay) in 1923 in 24 hours 19 minutes
134. Marcy MacDonald (USA) 42 miles (67.5 km) in a two-way crossing of the English Channel in 2013 in 24 hours 16 minutes
135. Guy Cohen (Israel): 43.85 miles (70.57 km) swim in the Mediterranean Sea near Haifa, Israel in 24 hours 13 minutes
136. John Muenzer (USA) 36 miles (57.9 km) across Lake Erie (Canada to USA) in 24 hours 12 minutes
137. Beth French (UK) 26 miles (42 km) across the Molokai Channel (Molokai to Oahu) in 24 hours 10 minutes
138. Anna McClarnon (UK) 21 miles (33.7 km) in a crossing of the English Channel (England-France) in 2002 in 24 hours 8 minutes
139. Wendy Trehiou (Jersey) 36 miles (57.4 km) from Saint Malo to Jersey in 2015 in 24 hours 7 minutes
140. Enrique Tirabocchi (Italy) 32 miles (51.9 km) down the River de la Plata (Argentina) in 1920 in 24 hours 2 minutes
141. Amy Hiland (USA) 20.2 miles (32.5 km) in a crossing of the Catalina Channel (California, USA) in 1958 in 24 hours 0 minutes 25 seconds

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