A look at the Diamondback Serios, which Tom Zirbel rode to a new U.S. hour record in Mexico. He was second only to Bradley Wiggins in the
Tom Zirbel sets new U.S. hour record in Mexico. The American rode 53.037km, which is also the second-best ride to Bradley Wiggins.
Evelyn Stevens owns a new hour record, but beyond that, she has a key stepping stone toward success at the Rio Olympics.
Watch live coverage and commentary of Evelyn Stevens's attempt to break the UCI hour record, Saturday, February 27 in Colorado Springs.
Evelyn Stevens trains with Davis Phinney and Neal Henderson for her hour record attempt in the 7-11 Velodrome in Colorado Springs.
Evelyn Stevens is confident ahead of hour record — she's aiming to beat the current record, as well as the all-time best distance.
American Evelyn Stevens will aim to break the world hour record on the track in Colorado Springs at the end of February.
Bridie O'Donnell eclipses the mark American Molly Shaffer Van Houweling set last year by more than 600 meters.
Tonight! Watch Australian Bridie O’Donnell attempt to break the UCI world hour record.
With a flurry of hour record attempts in 2015, there's little doubt that 60 minutes is the time period of the year.