Lone rider embarks on a frozen odyssey © Brudder/Getty Images

Iditarod, the world's most brutal solo bike race. A 350km grueling mountain road endurance test for riders who must brave extreme cold and scarce supplies in the Alaskan tundra.

Location: Alaska

Date: February 28th

Must-watch reason: The sheer willpower of riders is put to the test as they face Alaska's harsh winter environment, an ordeal not easily conquered by ordinary mortals.

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

Crankworx © Graeme Murray/Red Bull Content Pool

CranKworx Rotorua, where mountain biking culture thrives with a five-day event schedule featuring new formats and courses.

Location: Rotorua, New Zealand

Date: March 9-13th

Must-watch reason: Witness the first springtime enduro competition at CranKworx Rotorua with its unique slope-style course. Will we see another rising star emerge after last year's champion Brett Rheeder?

Loic Bruni competing at the Lourdes Downhill World Cup round in France's famous pilgrimage city

Loic Bruni © Lukas Pilz

UCI MTB World Cup in Lourdes

Location: Lourdes, France

Date: April 9-10th

Must-watch reason: Loïc Bruni emerged victorious at his first World Championship appearance last season. Can this young French rider maintain his dominance on the podium?

The men start their journey at Nove Mesto during the UCI XCO MTB World Championship

Nove Mesto World Cup © Bartek Woliński/Red Bull Content Pool

This marks a significant change for UCI as it separates downhill and cross-country events for separate times and locations. The XCO event takes place from June-end to July-start in Czech Republic.

Location：Czech Republic

Date：June-end to July-start

Must-watch reason：As Rio Olympics draws attention worldwide，the championship may surprise us with unknown dark horses breaking through among numerous competitors. Mathias Fluckiger has potential to succeed alongside his brother Lukas.

Coco Zurita performs during BMX Vert Finals at X Games Austin

Coco Zurita/X Games © Garth Milan/Red Bull Content Pool

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

Location：Austin，Texas，USA

Dates：June2nd - May5th

Reason to watch：Daniel Sandoval won gold medal last year but don't underestimate Daniel Dhers' experience; he holds five X-Games Park titles!

环法自行车赛 (Tour de France)

A prestigious three-week cycling event that will celebrate its103rd anniversary this year with Chris Froome aiming for victory once again.

Location：France

Duration：July2nd - July21st

Reason to watch：

Peter Sagan might be considered an underdog but his climbing skills are improving rapidly; coupled with extensive time-trial experience making him worth keeping an eye out for!