Johnson County made a very special announcement at 10 a.m. Tuesday morning -- they are welcoming Ironman teamTBB.

The world-renowned professional triathlon team consists of the fastest female Ironman competitor in the United States, and two of the top five female Ironman world champions.

They chose Mountain City as their official training base.

We're told Team TBB consists of a select group of international Ironman competitors from around the globe, including Switzerland, France, Germany, Australia, South Africa, Columbia, England, Mexico, and the USA.     

Tennessee Lieutenant Governor and Speaker of the House Ron Ramsey, along with State Representative Timothy Hill, will be in attendance at the Red Tail Golf Course.