Transgender weightlifter Laurel Hubbard will be one of the most controversial competitors if she steps on to the mat in Tokyo.
Her two silver medals in the 2017 World Championships in the US immediately raised questions about the fairness of a biological male competing against biological females in a sport in which strength is everything.
But becoming the first transgender Olympian, after a rule change allowing her to compete, would be just the latest twist in her fascinating life story.
The 42-year-old Kiwi athlete (pictured), transitioned from a man to a woman in her mid 30s and will likely be the first transgender Olympian