Passell , 30 , topped Heather Schulz ( 1 : 23 : 28 ) of Orlando by about a half - minute .
Mariela Ortiz of Argentina was third in 1 : 23 : 45 .
Passell , 30 , topped Heather Schulz ( 1 : 23 : 28 ) of Orlando by about a half - minute , and Mariela Ortiz of Argentina was third in 1 : 23 : 45 .