Timeline
Competition Phases
Warm-up Phase (July 15 - September 15, 2025)
- Contestants can submit code for evaluation on validation set
- No limit on number of submissions
- Leaderboard for validation set performance
- Baseline models provided for reference
Final Phase (September 15 - October 31, 2025)
- Evaluation on unreleased test set
- Limited number of submissions per day
- Final rankings and scores released after deadline
- Teams must submit 2-page document describing methods, analysis, and discussion
Competition Detailed Timeline
| Date (Anywhere on Earth) | Event |
|---|---|
| 15/07/2025 | Warm-up Phase Begins - Contestants can start submitting code, evaluated on validation set (HBN Release 5) |
| 15/09/2025 | Final Phase Begins - Evaluation on unreleased test set (HBN Release 12) |
| 31/10/2025 | Competition Ends |
| 30/11/2025 | Competition reports and analysis paper |
| 14-15/12/2025 | NeurIPS Workshop - Competition session and keynote on lessons learned |
Preparation Timeline
| Date (Anywhere on Earth) | Event |
|---|---|
| 30/04/2025 | Clean up scripts for release |
| 17/05/2025 | Extend CodaBench configuration for NSF’s ACCESS or bigger cluster |
| 18/05/2025 | Complete internal beta testing |
| 18/05/2025 | Challenge announcement on social media and dissemination channels |