|Triathlon at the Youth Olympic Games|
|Events||3 (boys: 1; girls: 1; mixed: 1)|
Triathlon has been included in the Summer Youth Olympics since their inauguration. Unlike the Summer Olympic competition, a mixed relay is competed, in which competitors are paired across national boundaries to create evenly matched multinational teams, as part of the Youth Olympic Games' spirit of cooperation.
- As of the 2018 Summer Youth Olympics.
|1||New Zealand (NZL)||2||1||0||3|
|3||Great Britain (GBR)||1||0||0||1|
|South Africa (RSA)||1||0||0||1|
|6||United States (USA)||0||2||1||3|
|Totals (12 nations)||9||9||9||27|