Summary:
- The next Splatoon 3 "Big Run" event is scheduled to begin on December 13th, 2024.
- Big Run events in Splatoon 3 feature a special Salmon Run mode where players team up to defend against an invasion of Salmonid enemies.
- The article provides details on the upcoming Big Run event, including the start date, duration, and likely new Salmonid bosses or challenges that will be introduced.