| September 1, 2025 | Start of the challenge |
| September 21, 2025 | Leaderboard opens for official validation dataset. |
| October 13, 2025 | Release of non-blind test data. Leaderboard switched to non-blind test data. |
| November 3, 2025 | Release of blind test data. Leaderboard switched to blind-test data for final ranking. |
| November 7, 2025 | Blind test submission. |
| December 14, 2025 | 2-page technical report submission (Top-6 team, Track 1). |
| December 19, 2025 | Notification of final results. |
| January 7, 2026 | 2-page papers submission deadline (by invitation only). |
| January 21, 2026 | Paper acceptance notification. |
| May 4-8 (TBD), 2026 | ICASSP 2026 SPGC Sessions for the URGENT challenge. |
| May 8, 2026 | End of the challenge. |