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 Alaska's tundra.

Location: Alaska

Date: February 28th

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

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

Crankworx © Graeme Murray/Red Bull Content Pool

Crankworx Rotorua

The reform of single-track racing continues at CranKworx Rotorua in New Zealand. This includes a five-day schedule, competition format, and large-scale single-track culture.

Location: Rotorua, New Zealand

Date: March 9th-13th

Must-watch reason: The first spring terminal single-track event will take place at the slope-style rich CranKworx Rotorua. Last year's winner Brett Rheeder - will we see another rising star emerge in 2016?

Loic Bruni competing at the 2015 Lourdes Downhill World Cup round in the famous French city of pilgrimage

Loic Bruni © Lukas Pilz

UCI MTB World Cup

Location: Lourdes, France

Date: April 9-10th

Must-watch reason: Loïc Bruni, this young French rider won his first World Championship title last season. Will he maintain his excellence and dominate from the podium?

The men's start during the XCO World Cup Nove Mesto.

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

UCI XCO MTB World Championship

This marks an unprecedented split between cross-country (XCO) and downhill (DHI) events within UCI championships history. First comes June-end to July-start XCO championship held in Czech Republic.

Location: Czech Republic

Date：June28-July3rd

Must-watch reason：As all eyes turn to Rio Olympics，this year’s world championships may reveal unknown gems among participants. Mathias Fluckiger has a chance to succeed where his brother Lukas did not manage to do so by winning Nové Město successfully.

Coco Zurita performs at BMX Vert Finals during X Games Austin.

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

X Games Austin celebrates its third anniversary with thrilling BMX Park & Dirt events.

Location：Austin，Texas，USA

Dates：June2nd-5th

Reasons you shouldn't miss it：

Daniel Sandoval took home gold medals last year; but don’t rule out Daniel Dhers yet! He has ample experience under his belt that makes him an attractive contender too!

环法自行车赛（Tour de France）

环法自行车赛是世界上最著名的体育赛事之一，将在今年7月举办第103届比赛。这场历时三周的比赛将包括爬升著名地标旺图山(Mont Ventoux)，去年冠军Chris Froome是一位全面型公路车手，也是本届赛事夺冠热门。

地点：法国

日期：7月2至21日

原因你不应该错过它：

Peter Sagan是一个外界眼中不可预测的人物，但他的攀登技巧正在不断提升。丰富的计时赛经验让他成为一个值得关注的人选。

Mikhail Ignatyev from Russia performs during Moscow-Kostroma stage of Red Bull Trans-Siberian Extreme.

Red Bull Trans-Siberian Extreme© Denis Klero/Red Bull Content Pool

Trans-Siberian Extreme

With legendary railway Siberia as inspiration，Trans-Siberian Extreme is one of longest multi-stage races globally starting from Moscow across Russia covering approximately over 9159 km range.

地点从莫斯科到佛拉迪沃斯托克全长9195公里

日期7月5日至28日

必看理由：

Brandon Semenuk tuck no-hander at Red Bull Joyride Brandon Semenuk / Red Bul