Impossible Goal Question

The impossible goal I would like to choose for 2019 is to be the 1st prize winner of a writing contest.
My question is this: the submission deadline is April 10th, and that means I need to do all the work until that date to submit a winning writing sample, but from that date until the winner is announced, around August, I can only wait to hear back whether I advanced further in the finalist list.

Should I then choose another impossible goal for the second half of the year?