Marathon, Men
| Competition | 2003 South-East Asian Games (SEA Games) |
|---|---|
| Venue |
Hanoi
 VIE
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Allan Ballester |  PHI |
2-21:03 | ||
| 🥈 | Nguyễn Chí Đông | VIE |
2-21:52 | ||
| 🥉 | Boonchoo Chandecha |  THA |
2-23:35 |