All available race results Yeon Je Sung
Rider information for 2011
| Rank | 4249 |
| Score | 0 |
| Name | Yeon Je SUNG |
| Country | Korea |
| Team | KSPO |
| Date | Race | Rank |
| Tour de Taiwan | ||
| 10/03 | Stage 1 | 92 |
| 11/03 | Stage 2 | 59 |
| 12/03 | Stage 3 | 64 |
| 13/03 | Stage 4 | 58 |
| 14/03 | Stage 5 | 64 |
| 15/03 | Stage 6 | 64 |
| 16/03 | Stage 7 | 51 |
| General Classification | 81 |
Rider information for 2012
| Rank | 4662 |
| Score | 0 |
| Name | Yeon Je SUNG |
| Country | Korea |
| Team | KSPO |
| Date | Race | Rank |
| Tour de Langkawi | ||
| 21/02 | Stage 1 | 124 |
| 22/02 | Stage 2 | 99 |
| 23/02 | Stage 3 | 92 |
| 24/02 | Stage 4 | 32 |
| 25/02 | Stage 5 | 76 |
| 26/02 | Stage 6 | 78 |
| 27/02 | Stage 7 | 89 |
| 28/02 | Stage 8 | 80 |
| 01/03 | Stage 9 | 75 |
| 02/03 | Stage 10 | 36 |
| General Classification | 67 | |
| Tour of Japan | ||
| 19/05 | Prologue | 29 |
| 21/05 | Stage 2 | 52 |
Rider information for 2013
| Rank | 4441 |
| Score | 0 |
| Name | Yeon Je SUNG |
| Country | Korea |
| Team | KSPO |
No results available in season 2014.
Rider information for 2014
| Rank | 2111 |
| Score | 6 |
| Name | Yeon Je SUNG |
| Country | Korea |
| Team | KSPO |
| Date | Race | Rank |
| Tour de Langkawi | ||
| 08/03 | Stage 1 | 94 |
| 09/03 | Stage 2 | 66 |
| 10/03 | Stage 3 | 95 |
| 11/03 | Stage 4 | 96 |
| 12/03 | Stage 5 | 116 |
| 13/03 | Stage 6 | 108 |
| 14/03 | Stage 7 | 77 |
| 15/03 | Stage 8 | 72 |
| General Classification | 73 |
Rider information for 2015
| Rank | 4513 |
| Score | 0 |
| Name | Yeon Je SUNG |
| Country | Korea |
| Team | KSPO |
No results available in season 2016.
Rider information for 2016
| Rank | 4770 |
| Score | 0 |
| Name | Yeon Je SUNG |
| Country | Korea |
| Team | LX - IIBS Cycling Team |
No results available in season 2018.
Rider information for 2018
| Rank | 5018 |
| Score | 0 |
| Name | Yeon Je SUNG |
| Country | Korea |
| Team | Uijeongbu Cycling Team |