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 challenge for riders who must brave extreme cold and scarce supplies in Alaska's tundra.

Location: Alaska

Date: February 28th

Must-watch reason: Only those with extraordinary willpower can complete this arduous race, as the Alaskan winter environment is extremely harsh and not for the faint of heart.

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

Crankworx Rotorua - The Reformation of Mountain Bike Racing Culture

Location: Rotorua, New Zealand

Date: March 9th to March 13th

Must-watch reason: Witness the first springtime enduro competition at CranKworx Rotorua featuring an exhilarating slopestyle course. Will we see another rising star take center stage after Brett Rheeder's impressive win last year?

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

UCI MTB World Cup - The Battle for Supremacy Among Young Champions

Location: Lourdes, France

Date: April 9th to April 10th

Must-watch reason: Loïc Bruni, last season's world champion debutant from France has set high expectations. Can he maintain his winning streak and claim victory once again?

The men start their XCO World Cup ride in Nove Mesto.

UCI XCO MTB World Championship - A Chance for Dark Horses to Shine Amidst Global Focus on Rio Olympics

Location: Czech Republic

Date: June 28th to July 3rd

Must-watch reason : As attention shifts towards Rio Olympics this year, contenders like Mathias Fluckiger and Lukas Fluckiger have a chance to make history by dominating Nové Město events amidst lesser-known competitors.

Coco Zurita performs at BMX Vert Finals during X Games Austin

X Games - Celebrating Three Years of Action Sports Spectacle

Location : Austin , USA

Date : June2nd-5th

Reason To Watch：Daniel Sandoval aims for back-to-back wins while Daniel Dhers seeks redemption after being overlooked previously. This battle between two seasoned BMX athletes promises thrilling performances.

环法自行车赛 (Tour de France) — The Ultimate Test of Endurance & Strategy

Location : France

Date : July2nd-21st

Must-Watch Reason：World Champion Chris Froome is favored but Peter Sagan could pull off an upset with his climbing skills improving dramatically each season.

Mikhail Ignatyev from Russia and Thomas John from Germany perform during Red Bull Trans-Siberian Extreme’s Moscow-Kostroma leg in Russia.

Red Bull Trans-Siberian Extreme — An Unforgettable Journey Across Russian Terrain

Location : From Moscow to Vladivostok (a total distance of approximately)9195 km)

Date：July5 thto27 th

Reason To Watch：Riders embark on a record-breaking journey across Russia covering over nine thousand kilometers; witness their determination and resilience as they navigate through challenging terrain.

Brandon Semenuk takes flight during Red Bull Joyride event held in Whistler Mountain Biking Park.

Red Bull Joyride — Showcasing Exquisite Skill & Technique

Location : WhistlerMountain Biking Park , Canada

Date：August(Exact date TBD)

Must-watch reason：Witness Canadian phenoms Brandon Semenukand Brett Rheeder compete against each other; both are known for their exceptional skill sets—Semenuk holds four titles while Rheeder is considered his successor—making it difficult predict which one will emerge victorious next time around.

Aaron Gwin trains before racing at Val di Sole Downhill World Championships.

UCI DH MTB World Championships — Aaron Gwin’s Quest For Perfection

Location ：Val di Sole，Italy（意大利）

Date：September8 thto11 th

Must-watch Reason:Aaron Gwin has dominated many races but lacks only one thing—a world championship title. Will he achieve this milestone?