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

Iditarod, the most grueling single-ride challenge in the world. This 350-kilometer endurance race takes place in the harsh Alaskan tundra, where riders must rely on their unwavering willpower to complete the journey under extreme low temperatures and limited supplies.

Location: Alaska

Date: February 28th

Must-watch reason: The Iditarod is not for the faint of heart. Riders need to be superhumanly resilient to overcome the unforgiving Alaskan winter environment.

Crankworx Rotorua - Revolutionizing Mountain Bike Slopestyle Culture

The Crankworx Rotorua festival continues its reform of mountain bike slopestyle culture with a five-day event featuring new competition formats and large-scale mountain bike culture.

Location: Rotorua, New Zealand

Date: March 9th - 13th

Must-watch reason: Spring's first enduro mountain bike competition at CranKworx Rotorua will take place on an extreme slope-style course designed by Kelly McGarry. Will we see another rising star emerge after last year's victory by Brett Rheeder?

Loic Bruni competing at the 2015 Lourdes Downhill World Cup round in France

Loic Bruni © Lukas Pilz

UCI MTB World Cup - A Showdown of Superstars

Witness Loïc Bruni, France's young sensation who won his first World Championship title in his debut season last year. Can he maintain his supremacy and dominate from atop the podium?

Location: Lourdes, France

Date: April 9th-10th

Must-watch reason: Loïc Bruni has been crowned as one of cycling's new champions after winning two UCI Cross-Country titles this season. He'll face stiff competition from other top contenders vying for dominance at this prestigious event.

UCI XCO MTB World Championships - Unveiling Hidden Gems

For the first time ever, UCI is hosting separate events for cross-country (XCO) and downhill (DH) races within its championship series. The XCO event takes place from June 28th to July 3rd in Nové Město na Moravě, Czech Republic.

Location: Nové Město na Moravě, Czech Republic

Date: June 28th – July 3rd

Must-watch reason : As athletes worldwide focus on Rio Olympics' preparations during this summer season, keep your eyes peeled for dark horses emerging amidst global competitors like Mathias Fluckiger or Lukas Fluckiger potentially dominating these championships.

X Games Austin - BMX Park & Dirt Thrills

Celebrating three years since it was held in America, X-Games brings back thrilling BMX Park & Dirt competitions as part of their lineup.

Location : Austin Texas USA

Date : June2nd-5 th

Must-watch reason : Daniel Sandoval claimed victory last year but don't overlook Daniel Dhers' impressive experience with five wins at X-Games Park events; they're both expected to make waves again!

Tour de France - A Legendary Journey Through French Countryside

Joining history as part of its centennial celebrations are legends like Chris Froome aiming for a third consecutive Tour de France win after dominating stages such as Mont Ventoux during previous editions.

Location : Various locations across France

Date : July2nd-21st

Must-watch reason : Peter Sagan consistently emerges as a dark horse contender due to his exceptional climbing skills combined with extensive experience in timed segments; watch him push boundaries once more!

Red Bull Trans-Siberian Extreme — An Epic Ride Across Russia

Experience Red Bull Trans-Siberian Extreme – an epic ride that mirrors legendary Russian trains traversing over vast distances spanning nearly ten thousand kilometers.

Location From Moscow To Vladivostok (Total Distance ≈9195 km)

Date Start date planned for July5 th till final date around late August depending upon weather conditions

Must-watch reason It is crucial not only because it spans over thousands miles but also showcases courage and resilience required when participating against all odds!