Chula Vista Challenge Half, 2018 – Long Course Aquabike (1.2 mile swim, 56 mile bike) official time: 3:13:23 swim: 34:38 bike: 2:37:40 overall: 5th of 37 1-49 age group: 3rd of 11 A day of firsts… This weekend was supposed to be my first 70.3, half Ironman distance race. Instead, it was my first 1.2-mile…