2005 World Championships in Athletics – Women's 100 metres
These are the official results of the Women's 100 metres event at the 2005 IAAF World Championships in Helsinki, Finland. The final was held on August 8.Medalists
Records
Results
Heats
7 August 2005
| Rank | Heat | Name | Result | Notes |
| 2 | | 11.15 | Q |
| 4 | | 11.15 | Q |
| 2 | | 11.21 | Q |
| 6 | | 11.30 | Q |
| 8 | | 11.32 | Q |
| 3 | | 11.33 | Q |
| 5 | | 11.36 | Q |
| 8 | | 11.36 | Q |
| 5 | | 11.38 | Q |
| 10 | 2 | | 11.39 | Q |
| 11 | 1 | | 11.40 | Q |
| 11 | 3 | | 11.40 | Q |
| 11 | 4 | | 11.40 | Q |
| 11 | 6 | | 11.40 | Q |
| 15 | 4 | | 11.41 | Q |
| 16 | 3 | | 11.46 | Q |
| 17 | 6 | | 11.48 | Q |
| 18 | 1 | | 11.50 | Q |
| 18 | 5 | | 11.50 | Q |
| 20 | 7 | | 11.52 | Q |
| 21 | 5 | | 11.54 | q |
| 22 | 2 | | 11.55 | q |
| 22 | 4 | | 11.55 | q |
| 24 | 1 | | 11.59 | Q |
| 24 | 3 | | 11.59 | q |
| 26 | 7 | | 11.60 | Q |
| 27 | 1 | | 11.61 | q |
| 27 | 8 | | 11.61 | Q |
| 29 | 6 | | 11.63 | Q |
| 30 | 7 | | 11.65 | Q |
| 31 | 4 | | 11.68 | q |
| 32 | 7 | | 11.69 | q |
| 33 | 8 | | 11.71 | |
| 34 | 5 | | 11.88 | |
| 35 | 2 | | 12.06 | |
| 36 | 3 | | 12.09 | |
| 37 | 3 | | 12.37 | |
| 38 | 8 | | 12.59 | |
| 39 | 1 | | 12.61 | |
| 40 | 3 | | 12.64 | |
| 41 | 5 | | 12.80 | |
| 42 | 7 | | 12.87 | |
| 43 | 7 | | 12.87 | |
| 44 | 8 | | 12.95 | |
| 45 | 7 | | 13.01 | |
| 46 | 6 | | 13.04 | |
| 47 | 8 | | 13.16 | |
| 48 | 5 | | 13.25 | |
| 49 | 2 | | 13.43 | |
| 50 | 1 | | 13.44 | |
| 51 | 2 | | 13.45 | |
| 52 | 6 | | 13.51 | |
| 53 | 7 | | 13.65 | |
| 54 | 4 | | 13.80 | |
| 55 | 4 | | 14.21 | |
| 1 | | | |
| 6 | | | |
Quarterfinals
7 August 2005
| Rank | Heat | Name | Result | Notes |
| 1 | 2 | | 11.03 | Q |
| 2 | 3 | | 11.10 | Q |
| 3 | 4 | | 11.12 | Q |
| 4 | 4 | | 11.15 | Q |
| 5 | 1 | | 11.17 | Q |
| 6 | 2 | | 11.18 | Q |
| 7 | 1 | | 11.22 | Q |
| 7 | 3 | | 11.22 | Q |
| 9 | 3 | | 11.25 | Q |
| 10 | 2 | | 11.27 | Q |
| 10 | 3 | | 11.27 | q |
| 12 | 4 | | 11.28 | Q |
| 13 | 2 | | 11.29 | q |
| 13 | 3 | | 11.29 | q |
| 15 | 4 | | 11.33 | q |
| 16 | 1 | | 11.37 | Q |
| 17 | 4 | | 11.41 | |
| 18 | 4 | | 11.42 | |
| 19 | 2 | | 11.47 | |
| 20 | 1 | | 11.48 | |
| 21 | 3 | | 11.51 | |
| 21 | 4 | | 11.51 | |
| 23 | 1 | | 11.52 | |
| 23 | 4 | | 11.52 | |
| 25 | 1 | | 11.54 | |
| 26 | 1 | | 11.55 | |
| 27 | 2 | | 11.56 | |
| 28 | 1 | | 11.57 | |
| 28 | 2 | | 11.57 | |
| 28 | 2 | | 11.57 | |
| 28 | 3 | | 11.57 | |
| 32 | 3 | | 11.69 | |
Semifinals
8 August 2005
| Rank | Heat | Name | Result | Notes |
| 1 | 1 | | 10.96 | Q |
| 2 | 1 | | 11.00 | Q |
| 3 | 2 | | 11.03 | Q |
| 4 | 1 | | 11.08 | Q |
| 5 | 2 | | 11.09 | Q |
| 6 | 1 | | 11.10 | Q |
| 7 | 2 | | 11.10 | Q |
| 8 | 2 | | 11.15 | Q |
| 9 | 2 | | 11.18 | |
| 10 | 2 | | 11.20 | |
| 11 | 1 | | 11.23 | |
| 12 | 2 | | 11.27 | |
| 13 | 1 | | 11.27 | |
| 14 | 1 | | 11.30 | |
| 15 | 2 | | 11.31 | |
| 16 | 1 | | 11.60 | |
Final
8 August 2005
| Rank | Athlete | Time | Notes |
| | 10.93 | |
| | 10.95 | SB |
| | 10.98 | |
| 4 | | 11.09 | |
| 5 | | 11.09 | |
| 6 | | 11.09 | |
| 7 | | 11.09 | SB |
| 8 | | 11.13 | |
