Somkiat Chantra finished 26th in the 2025 championship.
7 points for IDEMITSU Honda LCR. Out of the title fight since the Czech Republic Grand Prix (round 12).
Race by race
| Rd | Race | Sprint | Race | Points | Total | Title |
|---|---|---|---|---|---|---|
| 1 | Thailand Grand Prix | 19 | 18 | 0 | 0 | In it |
| 2 | Argentine Grand Prix | 17 | 18 | 0 | 0 | In it |
| 3 | Motorcycle Grand Prix of the Americas | 19 | 16 | 0 | 0 | In it |
| 4 | Qatar Grand Prix | 20 | 18 | 0 | 0 | In it |
| 5 | Spanish Grand Prix | 20 | 23 | 0 | 0 | In it |
| 6 | French Grand Prix | – | – | 0 | 0 | In it |
| 7 | British Grand Prix | 21 | 19 | 0 | 0 | In it |
| 8 | Aragon Grand Prix | 19 | 16 | 0 | 0 | In it |
| 9 | Italian Grand Prix | 19 | 18 | 0 | 0 | In it |
| 10 | Dutch TT | 19 | 15 | 1 | 1 | In it |
| 11 | German Grand Prix | – | – | 0 | 1 | In it |
| 12 | Czech Republic Grand Prix | – | – | 0 | 1 | Out |
| 13 | Austrian Grand Prix | – | – | 0 | 1 | Out |
| 14 | Hungarian Grand Prix | – | – | 0 | 1 | Out |
| 15 | Catalan Grand Prix | 18 | 16 | 0 | 1 | Out |
| 16 | San Marino and Rimini Riviera Grand Prix | 19 | 15 | 1 | 2 | Out |
| 17 | Japanese Grand Prix | 17 | 15 | 1 | 3 | Out |
| 18 | Indonesian Grand Prix | 19 | 13 | 3 | 6 | Out |
| 19 | Australian Grand Prix | 18 | 17 | 0 | 6 | Out |
| 20 | Malaysian Grand Prix | 17 | 15 | 1 | 7 | Out |
| 21 | Portuguese Grand Prix | 21 | 17 | 0 | 7 | Out |
| 22 | Valencian Community Grand Prix | 21 | 17 | 0 | 7 | Out |