Go to 'training log' --> 'my training plan' and click on the 'calendar' button. There you will see 'copy/move/delete' buttons at the top to delete the plan.
Let me know if you need any additional help on this.
Using a high-volume schedule for many months is not the best tactic. Build speed and skill several months out, and then transition to a high-volume IM plan.
This training plan has only 2 workouts per sport per week and peaks at 7.5 hours per week of training. Use this plan if you are time constrained or if you want to focus more on your family.
This plan is designed to make you go faster. 3 workouts per week in each sport, 2 days of strength training and core work. The maximum volume is around 10 hours toward the end of the 12 weeks.