In person, they did not seem quite real. Gathered on a blue carpet under bright lights, inside a $50 million Las Vegas venue that had been built just for them, the athletes of the Enhanced Games—colloquially known as the “doping Olympics”—looked like action figures. When they stood next to other people, the effect was different but no less uncanny; it was as if they’d been Photoshopped, blown up 25 percent compared with the rest of their species. They were here competing in three sports—running, weightlifting, and swimming—under the banner of Enhanced, a sporting event and supplement company that has, over the past few years, raised more than $300 million in venture capital, including from Peter Thiel and 1789 Capital, which aims to fund “the next chapter of American exceptionalism” and counts Donald Trump Jr. as a partner. The games, once announced, quickly became one of the most controversial sporting events in recent history. The premise was that anyone could take any FDA-approved substance; whoever broke a world record would win up to $1 million. (Non-doping …