TR has created a plan for me for an upcoming IM event however on 1 day, I have 2 separate rides and a swim and on the following day I only have a run. How can i change my plan
Hey there and welcome to the TR community!
These resources should help you out:
That should have you covered for moving workouts around/organizing your plan/TR Calendar. Let me know if you have any additional questions we can help with!
Welcome to the forums - and say Hi on the Ironman training thread 
You can just drag and drop a workout you want to move or open it and edit the date.