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Contest Archive
| Start Time (local time) | Contest Name | Duration | Rated Range |
|---|---|---|---|
| ◉ RECRUIT Nihonbashi Half Marathon 2026 Winter (AtCoder Heuristic Contest 060) | 04:00 | All | |
| ◉ RECRUIT Nihonbashi Half Marathon 2025 Autumn （AtCoder Heuristic Contest 055） | 04:00 | All | |
| ◉ RECRUIT Nihonbashi Half Marathon 2025 Winter（AtCoder Heuristic Contest 043） | 240:00 | All | |
| ◉ RECRUIT Nihonbashi Half Marathon 2024 Summer（AtCoder Heuristic Contest 036） | 240:00 | All | |
| ◉ RECRUIT Nihonbashi Half Marathon 2024 Winter（AtCoder Heuristic Contest 029） | 105:00 | All | |
| ◉ RECRUIT Nihonbashi Half Marathon 2023 Summer（AtCoder Heuristic Contest 022） | 223:00 | All | |
| ◉ RECRUIT Nihonbashi Half Marathon 2023 Winter（AtCoder Heuristic Contest 018） | 199:00 | All | |
| ◉ RECRUIT Nihonbashi Half Marathon 2022 Summer（AHC013） | 168:00 | All | |
| ◉ RECRUIT Nihonbashi Half Marathon 2021 (long) | 168:00 | All |