How do I open a calendar door?

Simply click on the door corresponding to the current day. Future doors remain locked to keep the surprise intact.

Is it free to view and open this advent calendar?

Yes, accessing and opening the doors on public calendars is 100% free for everyone.

Yes, each theme has custom background music and sound effects that trigger when you interact with the doors.

Swim, bike, run like a champion. 12 days of transition speed, pacing strategy, open-water navigation, and endurance nutrition.

FromNov 30, 2025

ToDec 12, 2025