This is for a triathlete who wants to make the jump up to half iron distance racing. This will also be for you if have done the distance before, but want to train more effectively this time around. You should be able to run 30 minutes, cycle an hour, and swim 750yds before starting this plan. Follow this plan, and in 18 weeks you will be a Half Iron finsher!
The plan starts at 5 hours per week, and builds to an average 9 hours a week with a max of 10 hours a week.
This plan uses heart rate zones and perceived effort for pacing and effort level.