Casey B. Gibson photos from stage 6 of the 2011 Amgen Tour of California

Horner rode a great time trial to retain his (somewhat wrinkly) leader's jersey. Photo: Casey B. Gibson

Tom Zirbel was on a good time until his seat post collapsed. Photo: Casey B. Gibson | www.cbgphoto.com

Dave Zabriskie used his ultra tuck position to win the TT. Photo: Casey B. Gibson | www.cbgphoto.com

Jeremy Vennell of Bissell had a great ride and finished 8th. Photo: Casey B. Gibson | www.cbgphoto.com

Johan Van Summeren has a unique profile on the TT bike. Photo: Casey B. Gibson | www.cbgphoto.com

Tejay Van Garderen displays his excellent form on the way to a third place. Photo: Casey B. Gibson | www.cbgphoto.com

Rory Sutherland heads for home in the final corner. Photo: Casey B. Gibson | www.cbgphoto.com

Andy Schleck lost over 2 minutes on the TT today. Photo: Casey B. Gibson | www.cbgphoto.com

Emma Poole in her rainbow jersey. Photo: Casey B. Gibson | www.cbgphoto.com

National TT champion Taylor Phinney finished in 21st place. Photo: Casey B. Gibson | www.cbgphoto.com

Levi Leipheimer down the final stretch. Photo: Casey B. Gibson | www.cbgphoto.com

Leipheimer just missed his fourth Solvang win. Photo: Casey B. Gibson | www.cbgphoto.com

Stefan Denifl recovered enough from his crash yesterday to ride today. Photo: Casey B. Gibson | www.cbgphoto.com

Tom Danielson has a little bit of a bump on his back. Photo: Casey B. Gibson | www.cbgphoto.com

Dan Bowman of Kelly Benefits in a scenic section of the course. Photo: Casey B. Gibson | www.cbgphoto.com

Kristin Armstrong returned to competition in the TT with a strong performance. Photo: Casey B. Gibson | www.cbgphoto.com

Kristen Armstrong on her way to the win in the women's Time Trial. Photo: Casey B. Gibson | www.cbgphoto.com