First responders, fitness enthusiasts, and community members across Central Texas will gather across the Austin area this week to mark the 25th anniversary of the Sept. 11, 2001, terrorist attacks.

Commemorative activities span several Central Texas communities, featuring traditional ringing of the bells, multi-faith worship, athletic stair climbs, and charity paddleboard challenges.

The morning's solemn ceremonies and formal remembrance services include: Local organizations are also hosting active physical tributes to honor the steps taken by first responders: Community fundraising efforts will also take to the water:.