| San Marino at the 2018 Summer Youth Olympics | |
|---|---|
 | |
| IOC code | SMR |
| NOC | Comitato Olimpico Nazionale Sammarinese |
| in Buenos Aires, Argentina 6 – 18 October 2018 | |
| Competitors | 4 in 3 sports |
| Medals |
|
| Summer Youth Olympics appearances | |
San Marino participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018. [1]
San Marino qualified one athlete.
| Athlete | Event | Ranking round | Round of 32 | Round of 16 | Quarterfinals | Semifinals | Final / BM | Rank | |
|---|---|---|---|---|---|---|---|---|---|
| Score | Seed | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Opposition Score | |||
| Leonardo Tura | Boys' Individual | 584 | 32 |  Song In-jun (KOR)L 3-1 | Did not advance | ||||
| Athletes | Event | Ranking round | Round of 32 | Round of 16 | Quarterfinals | Semifinals | Final / BM | Rank | |
|---|---|---|---|---|---|---|---|---|---|
| Score | Seed | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Opposition Score | |||
 Zhang Mengyao (CHN) Leonardo Tura (SMR) | Mixed Team | 1259 | 32 |  Amr Said Mohamed Azzam (EGY) Potrafke (GER)L 1–5 | Did not advance | 17 | |||
San Marino qualified two athletes.
| Athlete | Event | Heats | Semifinals | Final | |||
|---|---|---|---|---|---|---|---|
| Time | Rank | Time | Rank | Time | Rank | ||
| Raffaele Tamagnini | Boys' 50 metre freestyle | 24.87 | 38 | Did not advance | |||
| Boys' 100 metre freestyle | 55.55 | 39 | Did not advance | ||||
| Arianna Valloni | Girls' 400 metre freestyle | 4:26.87 | 22 | N/A | Did not advance | ||
| Girls' 800 metre freestyle | 8:57.00 | 15 | N/A | Did not advance | |||
San Marino qualified one athlete.
| Athlete | Event | Group stage | Round of 16 | Quarterfinals | Semifinals | Final / BM | ||
|---|---|---|---|---|---|---|---|---|
| Opposition Score | Rank | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Rank | ||
| Chiara Morri | Girls' singles |  Gauthier (FRA)L 0–4 Blašková (CZE)L 0–4 Sun (CHN)L 0–4 | 4 | Did not advance | ||||
Intercontinental–5 Chiara Morri (SMR) Santiago Lorenzo (ARG) | Mixed team | France L 0–3 Azerbaijan L 0–3 India L 0–3 | 4 | Did not advance | ||||
Venezuela competed at the 2018 Summer Youth Olympics, in Buenos Aires, Argentina from 6 to 18 October 2018.
Canada competed at the 2018 Summer Youth Olympics, in Buenos Aires, Argentina from October 6th to 18th.
Colombia participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
Japan participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
Kazakhstan participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
Mexico participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
Belgium participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
Austria participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
Denmark participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
Hungary participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
New Zealand participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
Hong Kong participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 to 18 October 2018.
Jordan participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
Poland participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
Romania participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
Singapore participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
Slovakia participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
Saudi Arabia participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
Malaysia competed at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018. The chef-de-mission of the contingent was former two-time Olympian archer Cheng Chu Sian. Malaysia won its first gold medal at an Olympic event, having previously won silver and bronze medals.
Syria is scheduled to participate at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.