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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 441 (Promotion of Engineer Guild Fes) | 01:40 | - 1999 | |
| ◉ JPRS Programming Contest 2026#1 (AtCoder Beginner Contest 442) | 01:40 | - 1999 | |
| ◉ Denso Create Programming Contest 2026（AtCoder Beginner Contest 443） | 01:40 | - 1999 | |
| ◉ RECRUIT Nihonbashi Half Marathon 2026 Winter (AtCoder Heuristic Contest 060) | 04:00 | All | |
| ◉ AtCoder Beginner Contest 444 | 01:40 | - 1999 | |
| ◉ The 3rd Masters Championship-qual- | 06:00 | - |