Athletics
- Men
- Track and Road Events
| Athlete | Event | Round 1 | Round 2 | Semifinal | Final | ||||
|---|---|---|---|---|---|---|---|---|---|
| Result | Rank | Result | Rank | Result | Rank | Result | Rank | ||
| Byron Piedra | 800 m | 1:48.42 | 7 | Did not advance | |||||
| Jackson Quiñónez | 110 m Hurdles | 13.44 NR | 3 Q | 13.67 | 7 | Did not advance | |||
| Silvio Guerra | Marathon | 2:25:29 | 61 | ||||||
| Franklin Tenorio | 2:31:12 | 71 | |||||||
| Xavier Moreno | 20 km Walk | DSQ | x | ||||||
| Jefferson Pérez | 1:20:38 | 4 | |||||||
| Rolando Saquipay | 1:24:07 | 17 | |||||||
| Jefferson Pérez | 50 km Walk | 3:53:04 NR | 12 | ||||||
- Women
- Track and Road Events
| Athlete | Event | Round 1 | Round 2 | Semifinal | Final | ||||
|---|---|---|---|---|---|---|---|---|---|
| Result | Rank | Result | Rank | Result | Rank | Result | Rank | ||
| Sandra Ruales | Marathon | 2:44:28 | 36 | ||||||
Read more about this topic: Ecuador At The 2004 Summer Olympics