Bill Cosgrove

Documented marathon swims by Bill Cosgrove.
Date Swim Route Km Age Time/Place
1981 Sep 20 Boston Light Swim Georges Island to L Street 9.7 03:33:00 (4/6)
1982 Sep 11 Boston Light Swim Boston Light to L Street 12.6 03:58:00 (6/10)
1990 Boston Light Swim Boston Light to L Street 12.6 04:35:00 (2/7)