2025 Main
Group A
| Pl | W | L | Pts | |||
| 1 | Arabe Valparaiso | 8 | 6 | 2 | 602:502 | 14 |
| 2 | Illapel | 8 | 5 | 3 | 562:565 | 13 |
| 3 | Quilpue Basquetbol | 8 | 4 | 4 | 567:543 | 12 |
| 4 | The Sharks | 8 | 3 | 5 | 607:600 | 11 |
| 5 | Arturo Prat San Felipe | 8 | 2 | 6 | 546:674 | 10 |
Group B
| Pl | W | L | Pts | |||
| 1 | Boston C. C | 8 | 7 | 1 | 623:506 | 15 |
| 2 | Luis Matte Larrain | 8 | 6 | 2 | 595:536 | 14 |
| 3 | Stadio Italiano | 8 | 4 | 4 | 562:549 | 12 |
| 4 | Sergio Ceppi | 8 | 2 | 6 | 528:596 | 10 |
| 5 | Brisas | 8 | 1 | 7 | 477:598 | 9 |
Group C
| Pl | W | L | Pts | |||
| 1 | Truenos De Talca | 8 | 8 | 0 | 633:526 | 16 |
| 2 | Liceo Curico | 8 | 5 | 3 | 556:515 | 13 |
| 3 | Municipal Chillan | 8 | 4 | 4 | 490:526 | 12 |
| 4 | CDSB Constitucion | 8 | 2 | 6 | 597:615 | 10 |
| 5 | Tinguiririca | 8 | 1 | 7 | 512:606 | 9 |
Group D
| Pl | W | L | Pts | |||
| 1 | Puerto Montt | 8 | 7 | 1 | 716:544 | 15 |
| 2 | Aleman | 8 | 5 | 3 | 592:556 | 13 |
| 3 | Omega | 8 | 5 | 3 | 483:512 | 13 |
| 4 | Regional Temuco | 8 | 2 | 6 | 590:667 | 10 |
| 5 | CD Huachipato | 8 | 1 | 7 | 520:622 | 9 |
Promotion ~ LNB 2 (Play Offs: )
LNB 2 (Relegation)
2025 Play Offs
1/8-finals
Quarter-finals
| 1 | Puerto Montt | Municipal Chillan | 2 : 0 |
| 2 | Truenos De Talca | Aleman | 1 : 2 |
| 3 | Boston C. C. | Illapel | 2 : 0 |
| 4 | Arabe Valparaiso | Stadio Italiano | 2 : 1 |
Semi-finals
| 1 | Puerto Montt | Aleman | 2 : 0 |
| 2 | Boston C. C. | Arabe Valparaiso | 2 : 0 |
Final
| 1 | Puerto Montt | Boston C. C. | 3 : 1 |
2025 Relegation
Final
| 1 | Arturo Prat San Felipe | Brisas | 2 : 1 |
| 2 | Tinguiririca | CD Huachipato | 0 : 2 |
español

