Seven-time Tour de France winner Lance Armstrong announced on his Twitter web site Monday that this year's Tour will his final one.
"And yes, this will be final Tour de France. It's been a great ride. Looking forward to 3 great weeks," the 38-year-old American Armstrong wrote.
Realizing his tweet included several mistakes Armstrong then re-tweeted, "Doh, sorry, meant "my" final Tour."
On Saturday, Armstrong begins his bid for an eighth Tour de France title.