| Call for Workshop, Short Course, and Business Meeting Proposals | Open | 15 March 2025 |
| Abstract Submission | Open | 30 June 2025 |
| GeoHost Support Program Applications | Open | 1 March 2025 |
| Early Bird Registration | Open | 17 May 2025 |
| GeoExpo Application | Open | 31 May 2025 |
| Accommodation Booking | 6 November 2024 | 31 July 2025 |
| Notification of Acceptance (Abstracts, Workshops, etc.) | N/A | 26 April 2025 |
| Regular Registration | 18 May 2025 | 31 July 2025 |
| Pre-congress Field Trips | 20 August 2025 | 24 August 2025 |
| On-site Registration | 24 August 2025 | 29 August 2025 |
| Mid-congress Field Trips | 27 August 2025 | 29 August 2025 |
| Post-congress Field Trips | 1 September 2025 | 4 September 2025 |
