| Iaaf: | ARG |
| Year: | 2013 |
| Games: | World Championships in Athletics |
| Location: | Moscow |
| Competitors: | 8 |
| Gold: | 0 |
| Silver: | 0 |
| Bronze: | 0 |
| Previous: | 2011 |
| Next: | 2015 |
Argentina competed at the 2013 World Championships in Athletics from August 10 to August 18 in Moscow, Russia.A team of 8 athletes was announced to represent the country in the event.
(q – qualified, NM – no mark, SB – season best)
Decathlon
| Román Gastaldi | Decathlon | |||||
|---|---|---|---|---|---|---|
| Event | Results | Points | Rank | |||
| 100 m | 11.20 SB | 817 | 27 | |||
| Long jump | 6.89 | 788 | 28 | |||
| Shot put | 13.96 SB | 726 | 19 | |||
| High jump | 1.87 | 687 | 13 | |||
| 400 m | DQ | 0 | - | |||
| 110 m hurdles | DNS | 0 | - | |||
| Discus throw | DNS | 0 | - | |||
| Pole vault | DNS | 0 | - | |||
| Javelin throw | DNS | 0 | - | |||
| 1500 m | DNS | 0 | - | |||
| Total | DNF | - | ||||
| Athlete | Event | Preliminaries | Final | ||
|---|---|---|---|---|---|
| Mark | Rank | Mark | Rank | ||
| Rocío Comba | Women's discus throw | 61.54 | 9 | 59.83 | 12 |
| Jennifer Dahlgren | Women's hammer throw | 68.90 | 17 | did not advance | |
| Athlete | Event | Final | ||
|---|---|---|---|---|
| Time | Rank | |||
| María Peralta | Women's Marathon | DNF | align="center" | - |
| Karina Córdoba | 2:51:07 | 36 | ||
| Karina Neipán | 2:56:02 | 41 | ||