Smallest margins time trials
Wins by smallest margin of time and losses by the smallest margins of time in time trials.
Smallest margin wins
| # | Race | Class | Margin |
|---|---|---|---|
| 1 | National Championships South Korea - ITT | NC | 00:00:00 |
| 2 | National Championships South Korea - ITT | NC | 00:00:59 |
| 3 | National Championships South Korea - ITT | NC | 00:01:04 |
| 4 | National Championships South Korea ME - ITT | NC | 00:01:26 |
| 5 | National Championships South Korea - ITT | NC | 00:01:38 |
| 6 | National Championships South Korea ME - ITT | NC | 00:01:55 |
| 7 | National Championships South Korea - ITT | NC | 00:02:02 |
Smallest margin losses
| # | Race | Class | Result | Margin |
|---|---|---|---|---|
| 1 | Tour de Korea | Stage 1 (ITT) | 2.2 | 63 | 00:00:00 |
| 2 | Asian Continental Championships ME - ITT | CC | 2 | 00:00:03 |
| 3 | Asian Continental Championships ME - ITT | CC | 2 | 00:00:07 |
| 4 | National Championships South Korea - ITT | NC | 2 | 00:00:12 |
| 5 | Tour de Korea | Stage 8 (ITT) | 2.2 | 86 | 00:00:15 |
| 6 | Jelajah Malaysia | Stage 5 (ITT) | 2.2 | 66 | 00:00:18 |
| 7 | Tour de l'Avenir | Prologue | 2.Ncup | 95 | 00:01:07 |
| 8 | Asian Continental Championships ME - ITT | CC | 2 | 00:01:10 |
| 9 | Asian Continental Championships ME - ITT | CC | 5 | 00:01:33 |
| 10 | Asian Continental Championships ME - ITT | CC | 3 | 00:01:35 |
| 11 | Summer Asian Games - ITT | JC | 4 | 00:01:59 |
| 12 | Asian Continental Championships ME - ITT | CC | 3 | 00:02:02 |
| 13 | National Championships South Korea ME - ITT | NC | 2 | 00:03:12 |
| 14 | Asian Continental Championships ME - ITT | CC | 7 | 00:04:27 |
| 15 | World Championships ME - ITT | WC | 60 | 00:07:44 |