Lone rider embarks on a frozen odyssey

Iditarod, the world's most grueling bike race, spans 350 kilometers of Alaskan wilderness in subzero temperatures and minimal supplies.

Location: Alaska

Date: February 28th

Must-watch for its sheer brutality; only the most determined riders can conquer this harsh environment.

Tomas Zejda tackles Crankworx Slopestyle in Rotorua, New Zealand on March 29th, 2015

Crankworx Rotorua © Graeme Murray/Red Bull Content Pool

Crankworx Rotorua Mountain Bike Festival showcases an innovative format and culture of downhill racing.

Location: Rotorua, New Zealand

Date: March 9-13th

Watch for the thrilling slopestyle competition and potential new stars emerging.

Loic Bruni competes at the Lourdes Downhill World Cup round in France.

UCI MTB World Cup

The UCI Mountain Bike World Cup features Loic Bruni, last year's champion with a promising future ahead. Will he maintain his title?

Location: Lourdes, France

Date: April 9-10th

UCI XCO MTB World Championship holds separate events for cross-country and downhill racing for the first time. The cross-country event takes place in June-July in Czech Republic.

Location: Czech Republic

Date: June 28 - July 3rd

X Games celebrates its third year in America with BMX Park, Vert & Dirt competitions.

Location: Austin, USA

Date: June 2-5th

Tour de France is one of cycling's most prestigious events. This year marks its centennial edition as it crosses iconic landmarks like Mont Ventoux.

Location: France

Date: July (exact date to be confirmed)

Trans-Siberian Extreme is a challenging stage race spanning over Russia from Moscow to Vladivostok (approximately 9195 km).

Locations from Moscow to Vladivostok (Russia)

Dates from July (exact dates pending confirmation)

Red Bull Joyride returns to Whistler Singletrack Park's Boneyard as part of Crankworx Festival. A rivalry between Brandon Semenuk & Brett Rheeder will captivate audiences worldwide!

Location Whistler Singletrack Park (Canada)

Dates August

Aaron Gwin seeks victory at UCI DH MTB World Championships held Val di Sole Italy after dominating numerous world cup races without a major championship win under his belt. Could this be his breakthrough year?

Locations Val di Sole Italy

Dates September