| Pos | Rank | Heat | Bib | Athlete | Mark | Details | Reaction Time | Wind | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 1 | 2862 | RSA | 9.87 PB | Q | 0.135 | +0.3 | |
| 2 | 2 | 1 | 2746 | NGR | 9.88 PB | Q | 0.208 | +0.3 | |
| 3 | 3 | 1 | 2571 | JAM | 9.93  | Q | 0.286 | +0.3 | |
| 4 | 1 | 3 | 3016 | USA | 9.95  | Q | 0.187 | -1.1 | |
| 5 | 1 | 2 | 2574 | JAM | 9.95  | Q | 0.154 | +0.1 | |
| 6 | 4 | 1 | 2375 | GBR | 10.00 =PB | q | 0.176 | +0.3 | |
| 7 | 1 | 4 | 2976 | USA | 10.01  | Q | 0.191 | -0.8 | |
| 8 | 1 | 7 | 2873 | RSA | 10.02  | Q | 0.164 | 0.0 | |
| 9 | 1 | 6 | 2752 | NGR | 10.04  | Q | 0.143 | -0.6 | |
| 10 | 2 | 4 | 2149 | CAN | 10.05  | Q | 0.178 | -0.8 | |
| 11 | 2 | 6 | 2380 | GBR | 10.06  | Q | 0.169 | -0.6 | |
| 12 | 1 | 5 | 2113 | BOT | 10.07  | Q | 0.178 | -1.2 | |
| 13 | 2 | 3 | 2550 | JAM | 10.07  | Q | 0.171 | -1.1 | |
| 14 | 2 | 7 | 2443 | GHA | 10.09  | Q | 0.188 | 0.0 | |
| 15 | 3 | 4 | 2362 | GBR | 10.10  | Q | 0.155 | -0.8 | |
| 16 | 3 | 7 | 2656 | KEN | 10.12  | Q | 0.156 | 0.0 | |
| 17 | 4 | 7 | 2720 | NED | 10.15  | q | 0.182 | 0.0 | |
| 18 | 4 | 4 | 2928 | THA | 10.15 =SB | q | 0.215 | -0.8 | |
| 19 | 5 | 4 | 2028 | AUS | 10.16  | 0.162 | -0.8 | ||
| 19 | 3 | 3 | 2065 | BAH | 10.16  | Q | 0.176 | -1.1 | |
| 21 | 2 | 5 | 2152 | CAN | 10.16  | Q | 0.173 | -1.2 | |
| 22 | 3 | 5 | 3013 | USA | 10.19  | Q | 0.186 | -1.2 | |
| 23 | 2 | 2 | 2145 | CAN | 10.19  | Q | 0.186 | +0.1 | |
| 24 | 3 | 6 | 2519 | ITA | 10.20 SB | Q | 0.149 | -0.6 | |
| 25 | 5 | 1 | 2202 | CHN | 10.21 =SB | 0.162 | +0.3 | ||
| 26 | 6 | 1 | 2726 | NED | 10.21  | 0.151 | +0.3 | ||
| 27 | 6 | 4 | 2399 | GER | 10.21  | 0.194 | -0.8 | ||
| 28 | 3 | 2 | 2218 | COL | 10.21  | Q | 0.161 | +0.1 | |
| 29 | 4 | 2 | 2919 | SWE | 10.22  | 0.162 | +0.1 | ||
| 30 | 5 | 2 | 2252 | DEN | 10.22  | 0.134 | +0.1 | ||
| 31 | 6 | 2 | 2829 | PUR | 10.23  | 0.206 | +0.1 | ||
| 31 | 5 | 7 | 2180 | CHN | 10.23  | 0.155 | 0.0 | ||
| 33 | 4 | 5 | 2542 | IVB | 10.23  | 0.151 | -1.2 | ||
| 34 | 6 | 7 | 2213 | CMR | 10.24  | 0.175 | 0.0 | ||
| 35 | 4 | 6 | 3042 | USA | 10.25  | 0.157 | -0.6 | ||
| 35 | 7 | 1 | 2886 | SEN | 10.25  | 0.227 | +0.3 | ||
| 37 | 5 | 5 | 2400 | GER | 10.25  | 0.162 | -1.2 | ||
| 38 | 4 | 3 | 2778 | OMA | 10.25  | 0.216 | -1.1 | ||
| 39 | 5 | 3 | 2596 | JPN | 10.28  | 0.156 | -1.1 | ||
| 40 | 6 | 5 | 2440 | GHA | 10.30  | 0.211 | -1.2 | ||
| 41 | 7 | 5 | 2116 | BRA | 10.32  | 0.179 | -1.2 | ||
| 42 | 5 | 6 | 2172 | CAY | 10.33  | 0.170 | -0.6 | ||
| 43 | 6 | 3 | 2459 | HAI | 10.36  | 0.177 | -1.1 | ||
| 44 | 7 | 2 | 2603 | JPN | 10.37  | 0.232 | +0.1 | ||
| 44 | 7 | 7 | 2612 | JPN | 10.37  | 0.219 | 0.0 | ||
| 46 | 7 | 3 | 2071 | BAR | 10.40  | 0.184 | -1.1 | ||
| 47 | 6 | 6 | 2023 | AUS | 10.41  | 0.159 | -0.6 | ||
| 48 | 7 | 4 | 2216 | COL | 10.42  | 0.173 | -0.8 | ||
| 49 | 7 | 6 | 2864 | RSA | 10.42  | 0.172 | -0.6 | ||
| 50 | 8 | 1 | 2581 | JOR | 10.46 =SB | 0.159 | +0.3 | ||
| 51 | 8 | 3 | 2115 | BRA | 10.54  | 0.134 | -1.1 | ||
| 52 | 8 | 6 | 2360 | GAM | 10.54  | 0.180 | -0.6 | ||
| 53 | 8 | 7 | 2493 | IRQ | 10.58  | 0.183 | 0.0 | ||
| 54 | 8 | 4 | 2929 | TJK | 10.70  | 0.159 | -0.8 | ||
| 55 | 8 | 2 | 2702 | MDV | 10.81 SB | 0.193 | +0.1 | ||
| 56 | 8 | 5 | 2887 | SEY | 10.85  | 0.161 | -1.2 |