Rank | Heat | Athlete | Time | Notes | 1 | 3 | {{flagIOC2athlete|Ryo Takayasu|JPN|2006 Asian Games}} | 53.30 |
2 | 4 | {{flagIOC2athlete|Takashi Yamamoto|JPN|2006 Asian Games}} | 53.34 |
3 | 3 | {{flagIOC2athlete|Jeong Doo-hee|KOR|2006 Asian Games}} | 53.76 |
4 | 2 | {{flagIOC2athlete|Wang Dong|CHN|2006 Asian Games}} | 54.47 |
5 | 2 | {{flagIOC2athlete|Daniel Bego|MAS|2006 Asian Games}} | 54.93 |
6 | 2 | {{flagIOC2athlete|Stanislav Kuzmin|KAZ|2006 Asian Games}} | 54.99 |
7 | 4 | {{flagIOC2athlete|Zhou Jiawei|CHN|2006 Asian Games}} | 55.07 |
8 | 3 | {{flagIOC2athlete|Hsu Chi-chieh|TPE|2006 Asian Games}} | 55.29 |
9 | 4 | {{flagIOC2athlete|Rustam Khudiyev|KAZ|2006 Asian Games}} | 55.49 |
10 | 2 | {{flagIOC2athlete|Victor Wong|MAC|2006 Asian Games}} | 55.55 |
11 | 4 | {{flagIOC2athlete|Oleg Lyashko|UZB|2006 Asian Games}} | 55.67 |
12 | 4 | {{flagIOC2athlete|James Walsh|PHI|2006 Asian Games}} | 55.91 |
13 | 3 | {{flagIOC2athlete|Arjun Muralidharan|IND|2006 Asian Games}} | 56.16 |
14 | 2 | {{flagIOC2athlete|Chung Yong|KOR|2006 Asian Games}} | 56.21 |
15 | 3 | {{flagIOC2athlete|Hamid Reza Mobarrez|IRI|2006 Asian Games}} | 56.51 |
16 | 3 | {{flagIOC2athlete|Bader Al-Muhana|KSA|2006 Asian Games}} | 56.92 |
17 | 4 | {{flagIOC2athlete|Zento Lee|HKG|2006 Asian Games}} | 57.06 |
18 | 3 | {{flagIOC2athlete|Ankur Poseria|IND|2006 Asian Games}} | 57.14 |
19 | 2 | {{flagIOC2athlete|Enchong Dee|PHI|2006 Asian Games}} | 57.18 |
20 | 4 | {{flagIOC2athlete|David Wong|HKG|2006 Asian Games}} | 57.70 |
21 | 1 | {{flagIOC2athlete|Rami Anis|SYR|2006 Asian Games}} | 58.31 |
22 | 2 | {{flagIOC2athlete|Zainalabdeen Qali|KUW|2006 Asian Games}} | 58.78 |
23 | 4 | {{flagIOC2athlete|Lao Kuan Fong|MAC|2006 Asian Games}} | 58.92 |
24 | 3 | {{flagIOC2athlete|Saeid Maleka Ashtiani|IRI|2006 Asian Games}} | 59.09 |
25 | 2 | {{flagIOC2athlete|Ahmed Salamoun|QAT|2006 Asian Games}} | 59.60 |
26 | 1 | {{flagIOC2athlete|Nasir Ali|PAK|2006 Asian Games}} | 1:00.22 |
27 | 1 | {{flagIOC2athlete|Jewel Ahmed|BAN|2006 Asian Games}} | 1:00.89 |
28 | 1 | {{flagIOC2athlete|Enkhtaivany Battushig|MGL|2006 Asian Games}} | 1:01.69 |
29 | 1 | {{flagIOC2athlete|Milinda Wickramasinghe|SRI|2006 Asian Games}} | 1:02.13 |
30 | 1 | {{flagIOC2athlete|Fadi Awesat|PLE|2006 Asian Games}} | 1:05.14 |
31 | 1 | {{flagIOC2athlete|Narantsogiin Tsogjargal|MGL|2006 Asian Games}} | 1:11.18 |
32 | 1 | {{flagIOC2athlete|Ali Mohamed Raaidh|MDV|2006 Asian Games}} | 1:13.08 |
Rank | Athlete | Time | Notes | {{Gold1}} | {{flagIOC2athlete|Takashi Yamamoto|JPN|2006 Asian Games}} | 52.54 | swimming}} |
{{Silver2}} | {{flagIOC2athlete|Ryo Takayasu|JPN|2006 Asian Games}} | 52.84 |
{{Bronze3}} | {{flagIOC2athlete|Wang Dong|CHN|2006 Asian Games}} | 53.03 |
4 | {{flagIOC2athlete|Zhou Jiawei|CHN|2006 Asian Games}} | 53.24 |
5 | {{flagIOC2athlete|Jeong Doo-hee|KOR|2006 Asian Games}} | 53.94 |
6 | {{flagIOC2athlete|Daniel Bego|MAS|2006 Asian Games}} | 54.44 |
7 | {{flagIOC2athlete|Stanislav Kuzmin|KAZ|2006 Asian Games}} | 54.76 |
8 | {{flagIOC2athlete|Hsu Chi-chieh|TPE|2006 Asian Games}} | 55.60 |