![USA's Michael Phelps dive in to begin the Men's 400 Meter Individual Medley at the National Aquatic Center (Water Cube) during the 2008 Summer Olympics in Beijing, China, on August 10, 2008. USA's Michael Phelps dive in to begin the Men's 400 Meter Individual Medley at the National Aquatic Center (Water Cube) during the 2008 Summer Olympics in Beijing, China, on August 10, 2008.](https://c8.alamy.com/comp/TYWA97/usas-michael-phelps-dive-in-to-begin-the-mens-400-meter-individual-medley-at-the-national-aquatic-center-water-cube-during-the-2008-summer-olympics-in-beijing-china-on-august-10-2008-phelps-won-with-a-world-record-of-40384-upi-photoroger-l-wollenberg-TYWA97.jpg)
USA's Michael Phelps dive in to begin the Men's 400 Meter Individual Medley at the National Aquatic Center (Water Cube) during the 2008 Summer Olympics in Beijing, China, on August 10, 2008.
![Rio 2016: Michael Phelps and Chad le Clos may claim it isn't personal but it is - the death stare proves it | The Independent | The Independent Rio 2016: Michael Phelps and Chad le Clos may claim it isn't personal but it is - the death stare proves it | The Independent | The Independent](https://static.independent.co.uk/s3fs-public/thumbnails/image/2016/08/09/23/phelps.jpg)
Rio 2016: Michael Phelps and Chad le Clos may claim it isn't personal but it is - the death stare proves it | The Independent | The Independent
![Portland Business Journal: Why Portland Docs Think Michael Phelps's Therapy Is Spot On - National University of Natural Medicine Portland Business Journal: Why Portland Docs Think Michael Phelps's Therapy Is Spot On - National University of Natural Medicine](https://nunm.edu/wp-content/uploads/2015/03/Phelps.jpg)
Portland Business Journal: Why Portland Docs Think Michael Phelps's Therapy Is Spot On - National University of Natural Medicine
Phelps Dive | "Swimming is normal for me. I'm relaxed. I'm comfortable, and I know my surroundings. It's my home." - Michael Phelps | By MySwimPro | Facebook
![USA's Michael Phelps dive in to begin the Men's 400 Meter Individual Medley at the National Aquatic Center (Water Cube) during the 2008 Summer Olympics in Beijing, China, on August 10, 2008. USA's Michael Phelps dive in to begin the Men's 400 Meter Individual Medley at the National Aquatic Center (Water Cube) during the 2008 Summer Olympics in Beijing, China, on August 10, 2008.](https://c8.alamy.com/comp/TYWA90/usas-michael-phelps-dive-in-to-begin-the-mens-400-meter-individual-medley-at-the-national-aquatic-center-water-cube-during-the-2008-summer-olympics-in-beijing-china-on-august-10-2008-phelps-won-with-a-world-record-of-40384-upi-photoroger-l-wollenberg-TYWA90.jpg)
USA's Michael Phelps dive in to begin the Men's 400 Meter Individual Medley at the National Aquatic Center (Water Cube) during the 2008 Summer Olympics in Beijing, China, on August 10, 2008.
![Michael Phelps Wins 1st Gold in Return to International Competition | News, Scores, Highlights, Stats, and Rumors | Bleacher Report Michael Phelps Wins 1st Gold in Return to International Competition | News, Scores, Highlights, Stats, and Rumors | Bleacher Report](https://img.bleacherreport.net/img/images/photos/003/029/597/hi-res-91100d6f1af32f329bed05440ef2b091_crop_north.jpg?1408717838&w=3072&h=2048)