France's Pascal Martinot-Lagarde finished fourth in the final of the 110m hurdles in Rio, and he had something special to thank for getting him there.
With athletes only getting one chance to show off on the world's biggest stage every four years, they'll do anything to gain even the slightest advantage.
You only had to look at Martinot-Lagarde to understand that. With bright yellow strips on his legs and arms, he was hard to miss.
A similar sort of fluoro tape has made its way into the sporting realm in recent years - it's not uncommon to see it on rugby league players every weekend - but this was something else entirely.
The Frenchman was wearing one of Nike's latest innovations, designed to help runners shave off every millisecond possible from their race times.