Last year's winner Michele Scarponi holds an 18-second advantage at Tirreno-Adriatico and will try to consolidate his lead in today's 216-kilometer fifth stage, which will see riders tackle the biggest climb of the seven-day race. Click the "GO LIVE" button above to see the live action in progress! VIEW MORE

Jan. 29, 2012: Niels Alberts wins the men's cyclo-cross world championship.
Watch the elite men's race at the 2012 UCI Cyclo-Cross World Championships in Koksijde, Belgium, LIVE on Jan. 29 at 9 a.m. ET.
In Episode 6 of Take a Seat, 31-year-old Rachel Swanson, born with cerebral palsy and left unable to speak, joins British filmmaker Dom Gill for an inspirational 320-mile ride from Minneapolis to Madison, Wis.