20 WEEK H ALF IRONMAN TR AINING PL AN: KM WEEKDate Monday Tuesday Wednesday Thursday Friday Saturday Sunday 1 Run/Walk Bike Swim Rest Day Run/Walk Swim Rest Day . As the name suggests,we have created a week beginner Half Ironman training plan to help novice triathletes progress over the course of 20 weeks to complete their first triathlon. . designed to have you ready for a Half Ironman in 12 weeks. During this progra. you will have three to four exposures in each sport each week. The program ru