I am looking to do my first tri in October and it is sprint distance. I have some training plans that I have looked at on Beginner triathlete. com and other places. My question is to distance, what distance should I shoot for in training, double the distance for each event?

400 m swim - shoot for consisten 800 m swim
12 mile bike - shoot for consistent 24 mile bike
5 k run - shoot for consistent 10 run

Not sure how to do this, any help is appreciated.

Laura