2012 FINA World Swimming Championships (25 m) – Men's 100 metre freestyle
The men's 100 metre freestyle event at the 11th FINA World Swimming Championships took place 15 - 16 December 2012 at the Sinan Erdem Dome.Records
Prior to this competition, the existing world and championship records were as follows.
No new records were set during this competition.Results
Heats
| Rank | Heat | Lane | Name | Time | Notes |
| 1 | 15 | 4 | | 47.34 | Q |
| 2 | 14 | 4 | | 47.43 | Q |
| 3 | 15 | 5 | | 47.51 | Q |
| 4 | 16 | 4 | | 47.58 | Q |
| 5 | 14 | 6 | | 47.63 | Q |
| 6 | 16 | 5 | | 47.64 | Q |
| 6 | 16 | 3 | | 47.64 | Q |
| 8 | 2 | 8 | | 47.76 | Q |
| 9 | 16 | 6 | | 47.79 | Q |
| 10 | 15 | 7 | | 47.80 | Q |
| 11 | 2 | 9 | | 47.82 | Q |
| 12 | 15 | 3 | | 47.84 | Q |
| 13 | 14 | 5 | | 47.95 | Q |
| 14 | 16 | 1 | | 48.04 | Q |
| 15 | 13 | 1 | | 48.08 | Q, NR |
| 15 | 16 | 9 | | 48.08 | Q |
| 17 | 14 | 7 | | 48.15 | |
| 18 | 14 | 1 | | 48.19 | |
| 19 | 15 | 2 | | 48.21 | |
| 20 | 16 | 0 | | 48.25 | |
| 21 | 13 | 4 | | 48.26 | NR |
| 22 | 14 | 3 | | 48.28 | |
| 22 | 16 | 7 | | 48.28 | |
| 24 | 15 | 1 | | 48.44 | |
| 25 | 14 | 2 | | 48.56 | |
| 26 | 14 | 9 | | 48.70 | |
| 27 | 15 | 0 | | 48.74 | |
| 28 | 15 | 8 | | 48.81 | |
| 29 | 13 | 3 | | 48.87 | |
| 29 | 13 | 7 | | 48.87 | |
| 31 | 14 | 0 | | 48.88 | |
| 32 | 12 | 7 | | 48.97 | |
| 33 | 16 | 8 | | 48.98 | |
| 34 | 12 | 0 | | 49.04 | |
| 35 | 12 | 6 | | 49.06 | |
| 36 | 12 | 5 | | 49.09 | |
| 36 | 14 | 8 | | 49.09 | |
| 38 | 13 | 2 | | 49.11 | |
| 39 | 12 | 3 | | 49.15 | |
| 40 | 12 | 8 | | 49.16 | |
| 41 | 15 | 9 | | 49.18 | |
| 42 | 13 | 6 | | 49.22 | |
| 43 | 12 | 9 | | 49.26 | NR |
| 44 | 2 | 3 | | 49.39 | NR |
| 45 | 13 | 8 | | 49.56 | |
| 46 | 12 | 4 | | 49.60 | |
| 47 | 15 | 6 | | 49.62 | |
| 48 | 11 | 4 | | 49.92 | NR |
| 49 | 9 | 7 | | 49.98 | NR |
| 50 | 13 | 0 | | 49.98 | |
| 51 | 11 | 3 | | 49.99 | |
| 52 | 11 | 5 | | 50.01 | |
| 53 | 11 | 7 | | 50.04 | |
| 54 | 13 | 9 | | 50.05 | |
| 55 | 11 | 1 | | 50.11 | |
| 56 | 11 | 6 | | 50.12 | |
| 57 | 11 | 2 | | 50.15 | |
| 58 | 11 | 0 | | 50.30 | |
| 59 | 12 | 2 | | 50.46 | |
| 60 | 12 | 1 | | 50.74 | |
| 61 | 9 | 9 | | 50.79 | |
| 62 | 8 | 4 | | 50.83 | |
| 63 | 2 | 1 | | 50.86 | |
| 63 | 10 | 4 | | 50.86 | |
| 65 | 10 | 0 | | 51.04 | |
| 66 | 10 | 8 | | 51.09 | |
| 67 | 9 | 4 | | 51.14 | |
| 68 | 9 | 0 | | 51.15 | |
| 69 | 11 | 8 | | 51.23 | |
| 70 | 10 | 9 | | 51.33 | |
| 71 | 10 | 5 | | 51.41 | |
| 72 | 10 | 1 | | 51.42 | |
| 73 | 2 | 0 | | 51.45 | NR |
| 74 | 2 | 7 | | 51.57 | |
| 75 | 10 | 6 | | 51.59 | |
| 76 | 9 | 1 | | 51.67 | |
| 77 | 8 | 9 | | 51.70 | NR |
| 78 | 8 | 0 | | 51.90 | NR |
| 79 | 10 | 3 | | 51.99 | |
| 80 | 11 | 9 | | 52.00 | |
| 81 | 10 | 7 | | 52.08 | |
| 82 | 7 | 9 | | 52.18 | |
| 83 | 7 | 4 | | 52.20 | |
| 84 | 10 | 2 | | 52.29 | |
| 85 | 9 | 3 | | 52.48 | |
| 86 | 8 | 3 | | 52.58 | |
| 87 | 5 | 3 | | 52.83 | |
| 88 | 8 | 7 | | 53.06 | |
| 89 | 1 | 3 | | 53.08 | |
| 89 | 8 | 1 | | 53.08 | |
| 91 | 8 | 2 | | 53.13 | |
| 92 | 6 | 5 | | 53.26 | |
| 93 | 6 | 8 | | 53.47 | |
| 94 | 7 | 8 | | 53.54 | |
| 95 | 7 | 5 | | 53.67 | |
| 96 | 7 | 2 | | 53.70 | |
| 97 | 8 | 8 | | 53.72 | |
| 98 | 9 | 8 | | 53.92 | |
| 99 | 7 | 6 | | 53.93 | |
| 100 | 7 | 7 | | 54.01 | |
| 101 | 6 | 1 | | 54.11 | |
| 102 | 7 | 3 | | 54.19 | |
| 103 | 6 | 4 | | 54.21 | |
| 104 | 9 | 2 | | 54.54 | |
| 105 | 8 | 5 | | 54.57 | |
| 106 | 5 | 7 | | 54.61 | |
| 107 | 8 | 6 | | 54.71 | |
| 108 | 6 | 6 | | 54.77 | |
| 109 | 6 | 2 | | 54.98 | |
| 110 | 1 | 6 | | 55.62 | |
| 111 | 5 | 9 | | 55.77 | |
| 111 | 6 | 9 | | 55.77 | |
| 113 | 5 | 6 | | 55.79 | |
| 114 | 6 | 0 | | 55.93 | |
| 115 | 6 | 3 | | 55.94 | |
| 116 | 7 | 0 | | 56.02 | |
| 117 | 5 | 5 | | 56.12 | |
| 118 | 2 | 2 | | 56.46 | |
| 119 | 1 | 4 | | 56.51 | |
| 120 | 5 | 2 | | 57.21 | |
| 120 | 6 | 7 | | 57.21 | |
| 122 | 1 | 5 | | 57.27 | |
| 123 | 4 | 4 | | 57.72 | |
| 124 | 5 | 1 | | 58.05 | |
| 125 | 2 | 5 | | 58.28 | |
| 126 | 2 | 6 | | 58.96 | |
| 127 | 4 | 5 | | 59.11 | |
| 128 | 4 | 6 | | 59.31 | |
| 129 | 5 | 8 | | 59.35 | |
| 130 | 3 | 4 | | 59.94 | |
| 131 | 5 | 0 | | | |
| 132 | 4 | 0 | | | |
| 133 | 4 | 8 | | | |
| 134 | 3 | 6 | | | |
| 135 | 4 | 1 | | | |
| 136 | 3 | 3 | | | |
| 137 | 3 | 8 | | | |
| 138 | 4 | 9 | | | |
| 139 | 3 | 1 | | | |
| 140 | 3 | 0 | | | |
| 141 | 1 | 2 | | | |
| 142 | 3 | 2 | | | |
| 143 | 1 | 7 | | | |
| 144 | 4 | 9 | | | |
| 145 | 2 | 4 | | | |
| 146 | 1 | 9 | | | |
| 147 | 1 | 1 | | | |
| 4 | 7 | | | |
| 16 | 2 | | | |
| 1 | 0 | | | |
| 1 | 8 | | | |
| 3 | 5 | | | |
| 3 | 7 | | | |
| 4 | 2 | | | |
| 4 | 3 | | | |
| 5 | 4 | | | |
| 7 | 1 | | | |
| 9 | 5 | | | |
| 9 | 6 | | | |
| 13 | 5 | | | |
Semifinals
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 1 | 5 | Vladimir Morozov | | 45.79 | Q |
| 2 | 1 | 4 | Luca Dotto | | 46.83 | Q |
| 3 | 1 | 3 | Tommaso D'Orsogna | | 46.89 | Q |
| 4 | 2 | 5 | Matt Grevers | | 47.14 | Q |
| 5 | 2 | 3 | Jimmy Feigen | | 47.26 | Q |
| 6 | 1 | 7 | Hanser Garcia | | 47.28 | Q, NR |
| 7 | 1 | 2 | Lü Zhiwu | | 47.29 | Q |
| 8 | 2 | 4 | Evgeny Lagunov | | 47.35 | Q |
| 9 | 2 | 6 | Kyle Richardson | | 47.39 | |
| 10 | 2 | 1 | Konrad Czerniak | | 47.41 | |
| 11 | 2 | 2 | Kemal Arda Gurdal | | 47.58 | |
| 12 | 1 | 6 | Filippo Magnini | | 47.61 | |
| 13 | 2 | 8 | Ben Hockin | | 47.95 | NR |
| 14 | 1 | 8 | Kenji Kobase | | 48.02 | |
| 15 | 1 | 1 | Guilherme Roth | | 48.03 | |
| 16 | 2 | 7 | Mindaugas Sadauskas | | 48.50 | |
Final
The final was held at 19:00.
| Rank | Lane | Name | Nationality | Time | Notes |
| 4 | Vladimir Morozov | | 45.65 | |
| 3 | Tommaso D'Orsogna | | 46.80 | |
| 8 | Yevgeny Lagunov | | 46.81 | |
| 4 | 5 | Luca Dotto | | 46.84 | |
| 5 | 6 | Matt Grevers | | 47.05 | |
| 6 | 2 | Jimmy Feigen | | 47.11 | |
| 7 | 7 | Hanser Garcia | | 47.19 | NR |
| 8 | 1 | Lü Zhiwu | | 47.35 | |
