Race Results for Race 3 in Optimist class (Final)
26 May 2018
| Sail No | Boat | Name | Cty/Rgn | Place | Points |
| THA 847 | | Bunyamin Klongsamoot |  | 1 | 1 |
| THA 51 | | Nannapat Poolthong | | 2 | 2 |
| THA 45 | | Chonchanok Chuenthong | | 3 | 3 |
| THA 148 | | Noppassorn Khunboonjan | | 4 | 4 |
| Cocacola 03 | | Oonruen Boontawee | | 5 | 5 |
| Cocacola 04 | | Thoranist Tubeium | | 6 | 6 |
| THA 414 | | Kans Kachachuen | | 7 | 7 |
| 06 | | Thanadej Sooparnich | | 8 | 8 |
| THA 159 | | Jittapat Promjanda | | 9 | 9 |
| THA 848 | | Thippawan Khumpinit | | 10 | 10 |
| THA 99 | | Chanintorn Paosen | | 11 | 11 |
| Cocacola 20 | | Supachai Narknon | | 12 | 12 |
| Cocacola 11 | | Abitep Mattapa | | 13 | 13 |
| THA 978 | | Kirati Leicesterjames | | 14 | 14 |
| THA 23 | | Korakot Sonngai | | 15 | 15 |
| THA 9803 | | Mathasit Yooyen | | 16 | 16 |
| Cococola 17 | | Phanphatsa Khumban | | 17 | 17 |
| THA 71 | | Attasuk Boontawee | | 18 | 18 |
| THA 88 | | Phufah Thongsook | | 19 | 19 |
| THA 66 | | Nattakan Somdee | | 20 | 20 |
| THA 946 | | Paranee Muangngam | | 21 | 21 |
| Cocacola 18 | | Donnaya Hasap | | 22 | 22 |
| THA 2288 | | Patcharapan Okaloy | | 23 | 23 |
| THA 113 | . | Sam Giolder | | 24 | 24 |
| THA 240 | | Auttapon Sailek | | 25 | 25 |
| THA 41 | | Veerasak Aiewsae | | DNF | 29 |
| THA 2704 | | Mirin Kensvewsuk | | DNF | 29 |
| THA 22 | | Surapa Muangngam | | DNS | 29 |