Hamilton County ACS/ARES®

IRONMAN 140.3

September 28, 2025 – September 29, 2025 @ 6:30 am – 1:00 am – For event information and course maps, see https://www.ironman.com/races/im-chattanooga To register your intent to participate, use the link in the page header.  Official registration to participate requires registration as a volunteer on an Ironman approved registration site.  When that site becomes available, the link will be posted here.

Great ShakeOut

October 16, 2025 @ 10:15 am – 10:30 am – This year’s International ShakeOut Day is October 16, when millions of people worldwide will participate in earthquake drills at work, school, or home! At 10:16 a.m. (local time) on 10/16, you can join more than a million people across the Central U.S. practicing earthquake safety. While we encourage you to participate with everyone, you can register your ShakeOut drill for any day […]

Chickamauga Battlefield Marathon

November 8, 2025 @ 7:00 am – 1:00 pm – https://www.battlefieldmarathon.com/races/marathon/ For event information see their website: https://www.battlefieldmarathon.com/races/marathon/  

Gran Fondo Hincapie Chattanooga 2026

May 2, 2026 – May 3, 2026 @ 6:45 am – 5:00 pm – This event is not yet confirmed.   Signup information will be provided here when the event is confirmed.  

IRONMAN 70.3 Chattanooga

May 24, 2026 @ 6:30 am – 5:30 pm – Event information is pending.  May 24th is an approximated date.   This listing will be updated when information is available.