| Iaaf: | POR |
| Fedname: | Federação Portuguesa de Atletismo |
| Year: | 2013 |
| Games: | World Championships in Athletics |
| Location: | Moscow |
| Competitors: | 12 |
| Gold: | 0 |
| Silver: | 0 |
| Bronze: | 1 |
| Previous: | 2011 |
| Next: | 2015 |
Portugal competed at the 2013 World Championships in Athletics in Moscow, Russia, from 10–18 August 2013.A team of 12 athlete was announced to represent the country in the event.
(q – qualified, NM – no mark, SB – season best)
| Athlete | Event | Preliminaries | Heats | Semifinals | Final | ||||
|---|---|---|---|---|---|---|---|---|---|
| Time Width Height | Rank | Time Width Height | Rank | Time Width Height | Rank | Time Width Height | Rank | ||
| Hermano Ferreira | Marathon | DNF | – | ||||||
| Marcos Chuva | Long jump | 7.82 | align=center style="border-right:double" | 16 | align=center colspan= 4 | Did not advance | |||
| Edi Maia | Pole vault | 5.40 | align=center style="border-right:double" | 24 | align=center colspan= 2 | Did not advance | |||
| Marco Fortes | Shot put | 19.38 | align=center style="border-right:double" | 16 | align=center colspan=2 | did not advance | |||
| Sérgio Vieira | 20 kilometres walk | 1:28:34 | 40 | ||||||
| João Vieira | 20 kilometres walk | 1:22:05 | 3 | ||||||
| Pedro Isidro | 50 kilometres walk | 3:57:30 | 28 | ||||||
At the 2013 World Championships in Athletics, Portuguese race walker João Vieira initially finished in 4th place in the men’s 20 km race walk event. However, following the annulment of Russian athlete Sergey Ivanov’s results from July 9, 2012, to August 17, 2014,[1] Vieira was awarded the bronze medal for this event, enhancing his legacy in Portuguese athletics. This bronze medal is also the only medal won by Portugal in the competition.
| Athlete | Event | Preliminaries | Heats | Semifinals | Final | ||||
|---|---|---|---|---|---|---|---|---|---|
| Time Width Height | Rank | Time Width Height | Rank | Time Width Height | Rank | Time Width Height | Rank | ||
| Ana Dulce Felix | 10,000 metres | 32:36.73 | 13 | ||||||
| Ana Cabecinha | 20 kilometres walk | 1:29:17 PB | 8 | ||||||
| Inês Henriques | 20 kilometres walk | 1:30:28 | 11 | ||||||
| Vera Santos | 20 kilometres walk | 1:31:36 | 17 | ||||||
| Irina Rodrigues | Discus throw | 57.64 | align=center style="border-right:double" | 17 | align=center colspan= 4 | Did not advance | |||