Swimming — 100 metres Butterfly, Boys
| Times held | 3 |
|---|---|
| Total participants | 34 |
| Total countries | 27 |
Participants
| Year | Event | Status | Participants | NOCs |
|---|---|---|---|---|
| 2010 | 100 metres Butterfly, Boys | YOG | 36 | 31 |
| 2014 | 100 metres Butterfly, Boys | YOG | 25 | 25 |
| 2018 | 100 metres Butterfly, Boys | YOG | 46 | 43 |
Medal winners
Medals by country
| NOC | Gold | Silver | Bronze | Total | |
|---|---|---|---|---|---|
| Russian Federation |  RUS |
1 | 1 | 0 | 2 |
| People's Republic of China |  CHN |
1 | 0 | 0 | 1 |
| Republic of Korea |  KOR |
1 | 0 | 0 | 1 |
| Hungary |  HUN |
0 | 1 | 0 | 1 |
| South Africa |  RSA |
0 | 1 | 0 | 1 |
| Australia |  AUS |
0 | 0 | 1 | 1 |
| Italy |  ITA |
0 | 0 | 1 | 1 |
| Serbia |  SRB |
0 | 0 | 1 | 1 |
Top medallists
| Athlete | Nat | Gold | Silver | Bronze | Total |
|---|---|---|---|---|---|
| Jang Gyu-Cheol | KOR |
1 | 0 | 0 | 1 |
| Li Zhuhao | CHN |
1 | 0 | 0 | 1 |
| Andrey Minakov |  ROC RUS |
1 | 0 | 0 | 1 |
| Chad le Clos | RSA |
0 | 1 | 0 | 1 |
| Aleksandr Sadovnikov | RUS |
0 | 1 | 0 | 1 |
| Kristóf Milák | HUN |
0 | 1 | 0 | 1 |