Countdown
First 3 in each heat (Q) and the next 3 fastest (q)
| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS | WIND |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 6 | 1576 | Alex Quiñónez |
 ECU |
20.28 Q NR | +0.7 |
| 2 | 1 | 5 | 2191 | Warren Weir |
 JAM |
20.29 Q | -0.4 |
| 3 | 1 | 2 | 1759 | Christophe Lemaitre |
 FRA |
20.34 Q | -0.1 |
| 4 | 1 | 4 | 2169 | Yohan Blake |
JAM |
20.38 Q | 0.0 |
| 5 | 1 | 1 | 2170 | Usain Bolt |
JAM |
20.39 Q | +0.9 |
| 6 | 2 | 2 | 2783 | Anaso Jobodwana |
 RSA |
20.46 Q | -0.1 |
| 7 | 2 | 6 | 3253 | Wallace Spearmon |
 USA |
20.47 Q | +0.7 |
| 8 | 2 | 4 | 1224 | Bruno de Barros |
 BRA |
20.52 Q | 0.0 |
| 8 | 3 | 4 | 2598 | Jaysuma Saidy Ndure |
 NOR |
20.52 Q | 0.0 |
| 10 | 2 | 1 | 1220 | Aldemir Junior |
BRA |
20.53 Q | +0.9 |
| 11 | 1 | 3 | 3240 | Maurice Mitchell |
USA |
20.54 Q | +1.1 |
| 12 | 3 | 2 | 1283 | Aaron Brown |
 CAN |
20.55 Q =PB | -0.1 |
| 12 | 3 | 1 | 3264 | Isiah Young |
USA |
20.55 Q | +0.9 |
| 14 | 4 | 2 | 1987 | Likoúrgos-Stéfanos Tsákonas |
 GRE |
20.56 q | -0.1 |
| 15 | 3 | 6 | 2236 | Shinji Takahira |
 JPN |
20.57 Q | +0.7 |
| 15 | 4 | 1 | 2973 | Alex Wilson |
 SUI |
20.57 q | +0.9 |
| 17 | 1 | 7 | 2547 | Churandy Martina |
 NED |
20.58 Q | +0.8 |
| 18 | 2 | 5 | 2919 | Antoine Adams |
 SKN |
20.59 Q | -0.4 |
| 18 | 2 | 3 | 1820 | Christian Malcolm |
 GBR |
20.59 Q | +1.1 |
| 20 | 3 | 3 | 1104 | Michael Mathieu |
 BAH |
20.62 Q | +1.1 |
| 21 | 4 | 6 | 1017 | Brendan Christian |
 ANT |
20.63 q SB | +0.7 |
| 22 | 4 | 4 | 3149 | Serhiy Smelyk |
 UKR |
20.65 | 0.0 |
| 23 | 3 | 5 | 2654 | Kamil Krynski |
 POL |
20.66 Q | -0.4 |
| 23 | 4 | 3 | 1481 | Roberto Skyers |
 CUB |
20.66 | +1.1 |
| 25 | 5 | 1 | 2566 | Noah Akwu |
 NGR |
20.67 | +0.9 |
| 25 | 4 | 5 | 1519 | Pavel Maslák |
 CZE |
20.67 | -0.4 |
| 27 | 5 | 4 | 2095 | Paul Hession |
 IRL |
20.69 | 0.0 |
| 27 | 6 | 4 | 1364 | Zhenye Xie |
 CHN |
20.69 | 0.0 |
| 29 | 5 | 5 | 1291 | Tremaine Harris |
CAN |
20.70 | -0.4 |
| 30 | 3 | 7 | 1284 | Jared Connaughton |
CAN |
20.72 Q | +0.8 |
| 30 | 2 | 7 | 2237 | Kei Takase |
JPN |
20.72 Q | +0.8 |
| 32 | 5 | 6 | 1718 | Jonathan Åstrand |
 FIN |
20.73 SB | +0.7 |
| 33 | 7 | 4 | 2418 | Mosito Lehata |
 LES |
20.74 | 0.0 |
| 34 | 5 | 2 | 3049 | Rondel Sorrillo |
 TTO |
20.76 | -0.1 |
| 35 | 6 | 6 | 2461 | Aziz Ouhadi |
 MAR |
20.80 | +0.7 |
| 36 | 5 | 3 | 2223 | Shota Iizuka |
JPN |
20.81 | +1.1 |
| 36 | 4 | 7 | 1589 | Amr Ibrahim Mostafa Seoud |
 EGY |
20.81 | +0.8 |
| 38 | 6 | 5 | 1668 | Marek Niit |
 EST |
20.82 SB | -0.4 |
| 39 | 5 | 7 | 2706 | Arnaldo Abrantes |
 POR |
20.88 | +0.8 |
| 40 | 6 | 3 | 3010 | Sibusiso Matsenjwa |
 SWZ |
20.93 NR | +1.1 |
| 41 | 7 | 5 | 2972 | Reto Schenkel |
SUI |
20.98 | -0.4 |
| 42 | 6 | 2 | 1560 | Carlos Jorge |
 DOM |
21.02 | -0.1 |
| 43 | 6 | 1 | 1472 | Michael Herrera |
CUB |
21.05 | +0.9 |
| 43 | 7 | 6 | 1232 | Sandro Viana |
BRA |
21.05 | +0.7 |
| 45 | 7 | 3 | 2498 | José Carlos Herrera |
 MEX |
21.17 | +1.1 |
| 46 | 8 | 3 | 2006 | Joel Redhead |
 GRN |
21.22 | +1.1 |
| 47 | 6 | 7 | 1807 | James Ellington |
GBR |
21.23 | +0.8 |
| 48 | 7 | 7 | 1103 | Trevorvano Mackey |
BAH |
21.28 | +0.8 |
| 49 | 7 | 2 | 1336 | Cristián Reyes |
 CHI |
21.29 | -0.1 |
| 50 | 7 | 1 | 2271 | Vyacheslav Muravyev |
 KAZ |
21.75 | +0.9 |
| 51 | 8 | 2 | 2927 | Ibrahim Turay |
 SLE |
21.90 PB | -0.1 |
| 52 | 8 | 7 | 2915 | Jean-Yves Esparon |
 SEY |
21.99 | +0.8 |
| 53 | 8 | 1 | 2532 | Jidou El Moctar |
 MTN |
22.94 PB | +0.9 |
| 5 | 2623 | Alonso Edward |
 PAN |
DQ | -0.4 | ||
| 6 | 1401 | Ben Youssef Meité |
 CIV |
DNS | +0.7 |