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Permanent Contests
| Contest Name | Rated Range |
|---|---|
| ◉ practice contest | - |
| ◉ AtCoder Library Practice Contest | - |
Upcoming Contests
| Start Time (local time) | Contest Name | Duration | Rated Range |
|---|---|---|---|
| ◉ AtCoder Beginner Contest 386 | 01:40 | - 1999 | |
| ◉ AtCoder Grand Contest 070 | 03:00 | 2000 - | |
| ◉ AtCoder Beginner Contest 387 | 01:40 | - 1999 | |
| ◉ HHKB Programming Contest 2025(AtCoder Beginner Contest 388) | 01:40 | - 1999 | |
| ◉ Toyota Programming Contest 2025（AtCoder Beginner Contest 389) | 01:40 | - 1999 | |
| ◉ The 2nd Masters Championship-qual- | 06:00 | - |