| Event: | Triathlon |
| Games: | 2018 Summer Youth |
| Venue: | Parque Tres de Febrero |
| Dates: | 7–11 October |
| Num Events: | 3 (1 boys, 1 girls, 1 mixed) |
| Competitors: | 64 (32 boys, 32 girls) |
| Nations: | 42 |
| Prev: | 2014 |
| Next: | 2026 |
Triathlon at the 2018 Summer Youth Olympics was held from 7 to 11 October. The events took place at Parque Tres de Febrero in Buenos Aires, Argentina.
Each National Olympic Committee (NOC) can enter a maximum of 2 competitors, 1 per each gender. As hosts, Argentina was given the maximum quota and a further 4, 2 in each gender was decided by the Tripartite Commission. The remaining 58 places shall be decided by qualification events, namely five continental qualification tournaments.[1]
To be eligible to participate at the Youth Olympics athletes must have been born between 1 January 2001 and 31 December 2002.
| Event | Location | Date | Total Places | Qualified Boys | Qualified Girls | |
|---|---|---|---|---|---|---|
| Host Nation | - | - | 1 | |||
| 2018 Oceania YOG Qualifier[2] | 25 March 2018 | 2 | ||||
| 2018 Africa YOG Qualifier[3] | 21 April 2018 | 3 | ||||
| 2018 Asian YOG Qualifier[4] | 17 June 2018 | 5 | ||||
| 2018 American YOG Qualifier[5] | 1 July 2018 | 7/8 | ||||
| 2018 European YOG Qualifier[6] | 7–8 July 2018 | 12 | ||||
| Tripartite Invitation | - | - | 2/1 | |||
| TOTAL | 32 |
The schedule is expected to be released by the Buenos Aires Youth Olympic Games Organizing Committee.
| Event Date | Event Day | Starting Time | Event Details |
|---|---|---|---|
| October 7 | Sunday | 11:00 | Girls' Race |
| October 8 | Monday | 11:00 | Boys' Race |
| October 11 | Thursday | 11:00 | Mixed Team Relay |
| Boys' | ||||
| Girls' | ||||
| Mixed Relay | Europe 1 | Oceania 1 | Europe 3 |