Michael Phelps insisted his challenge to Conor McGregor for a swim race was a joke, but on Monday reportedly offered details on how to make the hypothetical a fair fight.
The distance — 100m freestyle, according to media at Phelps’ appearance opening an Under Armour store in Dubai.
“I said it as a joke. If he wants to swim, I don’t care. I’ll race him,” Phelps said, according to The National in the United Arab Emirates. “If we did it in a year, and I trained for a year, or even six months, I could probably go 48 seconds if I had to.