Canadian swimmer Vicki Keith became the first...

Canadian swimmer Vicki Keith became the first person to swim all five Great Lakes when she completed a 32-mile, 23-hour crossing of Lake Ontario.

Keith, who is from Kingston, Ontario, began her marathon July 1, when she swam 12 miles across Lake Erie. Two weeks later, she made a 48-mile crossing of Lake Huron in 47 hours. She took 53 hours to swim 45 miles across Lake Michigan and completed a swim across a 21-mile arm of Lake Superior about two weeks ago.