Cycling's most elite athletes are competing for the highly coveted yellow jersey at this year's 100th Tour de France, which begins on the island of Corsica and ends along the Champs-Élysées in Paris. The grueling bike race, which began on June 29 and goes through July 21, is made up of 21 stages and covers over 2,115 miles.

US fans can follow all the action across the Atlantic on the web or on your mobile device with NBC Sports' Tour de France Live Access.

Keep in mind that web and mobile passes are sold separately and available only to US subscribers. Online access is $30 for the duration of the tour or $5 for a single day pass, and the iOS and Android apps are $15 each.

The mobile apps include live video streaming of every stage, replays, tracking maps, live results, rider profiles, leaderboards, and photos.

UK cycling enthusiasts can listen to live broadcasts via BBC Radio 5 on BBC iPlayer Radio or the stage-by-stage text coverage online.

In total, the Tour de France covers seven flat stages, five hill stages, six mountain climbs with four summit finishes, two individual time trials, one team trial, and just two rest days.

Will Team Radioshack Leopard clock in the fastest times? Could a member of Team Cannondale or Omega Pharma-Quick Step be crowned the ultimate winner? Celebrate the 100th Tour de France, and let us know your predictions.