The AFL has confirmed the fixtures for this year's U18s Boys and Girls National Championships, with this year's carnivals to get underway in June.
The Boys' season will start on Sunday, June 1 between the Allies and South Australia in New South Wales, with venues for each game yet to be confirmed.
Western Australia and Vic Country will open their campaigns the following weekend, with South Australia to play their second game against Vic Metro the same weekend.
The five-team round-robin competition will conclude with the annual Vic Country vs Vic Metro clash, which is scheduled for Sunday, July 20.
The Girls' competition consists of six sides, with Queensland not attached to the Allies and instead listed as their own team
All six sides will play on the opening day of the fixture come Sunday, June 22, with South Australia and Vic Country concluding this year's carnival in mid-August.
Girls' sides will play four games each in 2025.
2025 National Championships U18s Boys Fixture
| DATE | HOME TEAM | LOCATION | TIME |
| Sun, June 1 | Allies v South Australia | NSW | 12:00pm |
| Sat, June 7 | Western Australia v Victoria Country | WA | 10:00am |
| Sun, June 8 | South Australia v Victoria Metro | SA | 10:05am |
| Sun, June 15 | South Australia v Western Australia | SA | 12:00pm |
| Sun, June 29 | Allies v Western Australia | VIC | 10:35am |
| Sun, June 29 | Victoria Country v South Australia | VIC | 1:05pm |
| Sat, July 5 | Allies v Victoria Country | VIC | 11:00am |
| Sun, July 6 | Western Australia v Victoria Metro | WA | 12:00pm |
| Sun, July 13 | Allies v Victoria Metro | QLD | 10:35am |
| Sun, July 20 | Victoria Country v Victoria Metro | VIC | 10:35am |
2025 National Championships U18s Girls Fixture
| DATE | HOME TEAM | LOCATION | TIME |
| Sun, June 22 | Victoria Country v Allies | VIC | 9:45am |
| Sun, June 22 | Western Australia v Queensland | VIC | 11:45am |
| Sun, June 22 | Victoria Metro v South Australia | VIC | 1:45pm |
| Sat, June 28 | Queensland v Victoria Country | QLD | 10:30am |
| Sun, June 29 | Western Australia v South Australia | WA | 11:00am |
| Sun, July 6 | Western Australia v Victoria Metro | WA | 9:30am |
| Sun, July 13 | Allies v Victoria Metro | QLD | 1:15pm |
| Sat, July 19 | Allies v Western Australia | NSW | 12:00pm |
| Sun, July 20 | Victoria Country v Victoria Metro | VIC | 1:15pm |
| Sun, July 27 | Queensland v Allies | QLD | 11:00am |
| Sun, August 3 | South Australia v Queensland | SA | 11:00am |
| Sun, August 10 | South Australia v Victoria Country | SA | 10:45am |
