Michael Phelps Olympic debut aged 15! 🏊‍♂️ 

It all started in the 200-metre butterfly heats at Sydney 2000. Michael Phelps made the pool his own that day. The rest is history. #OTD #Olympics #Sydney2000
📺 Re-live ALL the incredible #Paris2024 action: ➡️ oly.ch/P24Replays
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🇫🇷 #Paris2024 replays: oly.ch/P2024Re...
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