A new contest pits competitors against each other in a race to biological youth

And I'll be joining them.

October 2, 2026

Stephanie Arnett/MIT Technology Review | Adobe Stock

This week, I officially signed up for an unusual competition. One that rewards competitors for getting younger.

I recently turned 40, and I don’t need reminding that both time and my chronological age only tick forward. But this game is focused on competitors’ biological ages—figures that are meant to provide a better way to measure the age-related health of our organs and bodies.

Over a…