Sifan Hassan shows up to your local road 5k.
Weather - excellent. 40-50 degrees. No wind.
Course - flat. fast. Slight downhill for the first half mile. One 180-degree turn at 1.25. A very small up and down (10 ft) at 2.1. And a small hill (15-20 ft) from 2.75-2.99, then a slight downhill finish.
Other competition - four to five 15:30-15:45 guys.
Prize money - $200, $100, $50, nada.
You're currently in close to PR shape.
What do you do?