| Iaaf: | TAN |
| Year: | 2009 |
| Games: | World Championships in Athletics |
| Location: | Berlin |
| Competitors: | 10 (9 men, 1 woman) |
| Gold: | 0 |
| Silver: | 0 |
| Bronze: | 0 |
| Previous: | 2007 |
| Next: | 2011 |
Tanzania competed at the 2009 World Championships in Athletics from 15–23 August in Berlin.[1]
| Event | Athletes | ||
|---|---|---|---|
| Men | Women | ||
| 5000 metres | Fabiano Joseph Naasi Marco Joseph | Zakia Mrisho Mohamed | |
| 10,000 metres | Dickson Marwa Ezekiel Jafari Fabiano Joseph Naasi | ||
| Marathon | Getuli Bayo Lucian Desdery Hombo Christopher Isengwe Andrea Silvini Phaustin Baha Sulle | ||
| Event | Athletes | Heats | Final | ||
|---|---|---|---|---|---|
| Result | Rank | Result | Rank | ||
| 5000 m | Fabiano Joseph Naasi | align=center colspan=2 | DNS | align=center colspan=2 | did not advance |
| Marco Joseph | 13:53.67 | 31 | align=center colspan=2 | did not advance | |
| 10,000 m | Dickson Marwa | align=center colspan=2 | - | 28:18.00 SB | 16 |
| Ezekiel Jafari | align=center colspan=2 | - | 28:45.34 | 21 | |
| Fabiano Joseph Naasi | align=center colspan=2 | - | 28:04.32 SB | 13 | |
| Marathon | Getuli Bayo | align=center colspan=2 | - | 2:25:52 SB | 57 |
| Lucian Desdery Hombo | align=center colspan=2 | - | align=center colspan=2 | DNF | |
| Christopher Isengwe | align=center colspan=2 | - | align=center colspan=2 | DNF | |
| Andrea Silvini | align=center colspan=2 | - | 2:28:48 | 60 | |
| Phaustin Baha Sulle | align=center colspan=2 | - | 2:17:11 | 28 | |