Dr. Sean O’Connell, a lecturer in mathematics at Bermuda College and a member of the 24-hour club
, completed a 43 hour 27 minute, 47-mile circumnavigation of Bermuda on 19 August 1977 that helped raise money for the Bermuda Physically Handicapped Association. His swim was documented in Captain Tim Johnson
's History of Open-Water Marathon Swimming
, an authoritative book on marathon swimming, and inspired the Round-The-Island Relay Swim in Bermuda on its 30th anniversary.