Michael Phelps has an opportunity to break a 2,168-year-old Summer Games record

In case you missed it, Michael Phelps is absolutely crushing everyone in Rio, registering a career 25 medals (21 gold) and tying a summer games record 12 individual medals:

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Phelps wins 12th individual Olympic title, equalling record by Leonidas of Rhodes in Ancient Olympic Games. https://t.co/q4oH1VrmmR

— Bill Mallon (@bambam1729) August 10, 2016

Phelps has two more opportunities, the 200m individual medley on Thursday and 100m butterfly on Friday, to eclipse former sprinter Leonidas of Rhodes.

Phelps has swam in five summer games, while Leonidas notched the record in just four.