Armstrong announces Tour de France retirement via Twitter

(WMBF) - Could it finally be the end of the road for seven-time Tour de France winner Lance Armstrong?

The famed cyclist and cancer survivor announced Monday on his Twitter account that next month's Tour de France will be his last.

"It's been a great ride," Armstrong tweeted alongside his announcement. "[I'm] looking forward to three great weeks."

Armstrong will join Andreas Kloeden of Germany, Americans Levi Leipheimer and Chris Horner, and Jamez Brajkovic of Slovenia on Team RadioShack for the Tour, the company confirmed on June 22.

Also racing for RadioShack will be Portugal's Sergio Paulinho, Yaroslav Popovych of Ukraine, Swiss rider Gregory Rast and Dmitriy Muravyev of Kazakhstan.

The Tour's 97th edition begins July 3 in the Dutch port of Rotterdam.

Copyright 2010 WMBF News. All rights reserved. The Associated Press Contributed to this article.