[red75prime]

Real life gattaca would be quite boring. Protagonist would have failed practical aptitude tests or some such.

[true_religion]

He cheated. He had a heart condition but faked his heart rate for the testing so he would be allowed to go into space.

Yes, he could run at the same pace as someone with a better heart, but he was predisposed to arrhythmias even at a normal level of effort.