|Irritated Heart Rate!|
|Rōmaji||Iradachi no Hāto Reito!|
|Air Date||September 11, 2013|
|Animation Director||Akiko Ikeda|
|← Episode 9||Episode 11 →|
Irritated Heart Rate! (苛立ちのハートレイト！ Iradachi no Hāto Reito!) is the tenth episode of the Free! anime series. It aired on September 11, 2013.
The training for the next tournament, with a new coach, has begun. Haruka tells Rei a story from his middle and elementary school days. The next day, Rei skips the practice and goes to visit Rin at Samezuka Academy.
List of characters in order of appearance: