Alberto Moya at the Red Bull BMX Flatland Africa Tour 2014 in Mauritius.
2 of 32Ashley Barker/Red Bull Content Pool
Craig McMorris snowboards in the Whistler backcountry, British Columbia, Canada.
3 of 32AP Images
Mercedes AMG Peronas F1 Team
4 of 32DomDaher/Red Bull Content Pool
Soul Flyers Fred Fugen and Vincent Reffet during training in Austria for The Ultimate Skydiving Combo, skydiving from 33 000 feet above the Mont Blanc.
5 of 32Graeme Murray/Red Bull Content Pool
Nick Franklin at the Farm Jam in Winton, New Zealand.
6 of 32Predrag Vuckovic/Red Bull Content Pool
The Red Bull Extreme Sailing Team during the Extreme Sailing Series Act 4 in Saint Petersburg, Russia.
7 of 32Robert Beck/SI
US Grand Prix: USA Shaun White in action during Men's Halfpipe Final at Copper Mountain Ski Resort.
8 of 32Richard Mackson/SI
Tony Hawk in action at Del Mar Skate Ranch in 1986.
9 of 32Jörg Mitter/Red Bull Content Pool
Hannes Arch of Austria performs during the finals for the fourth stage of the Red Bull Air Race World Championship in Gdynia, Poland.
10 of 32Bob Martin/SI
Calcio Storico Fiorentino
Azzurri (blues from Santa Croce) and Rossi (reds from Santa Maria Novella) in action during Semifinals at Piazza Santa Croce. The sport is a mix between soccer, rugby, and martial arts.
11 of 32Larry Chen/Red Bull Content Pool
Sverre Isachsen catching some air at round 5 of the Red Bull Global Rallycross series at Charlotte Motor Speedway.
12 of 32Javier Munoz/Red Bull Content Pool
Daniel Fuertes (L) and Chris Sharma (R) compete during the Red Bull Creepers in Puente la Reina-Gares, Spain.
13 of 32Jed Jacobsohn/SI
Mikaela Shiffrin in action for the USA at the Winter Olympics in Sochi.
14 of 32Manuel Ferrigato / Red Bull Content Pool
David Lama on his way to the Masherbrum in Pakistan .
15 of 32Lincoln Else/Red Bull Content Pool
David Lama free climbing the headwall of Cerro Torre during the first free ascent of Cerro Torre's Southeast ridge during the third expedition in Patagonia, Argentina.
16 of 32Jörg Mitter/Red Bull Content Pool
An extreme sports enthusiast glides through the air.
17 of 32Zak Noyle/Red Bull Content Pool
Corey Bohan competes at the US Open of Surfing in Huntington Beach, CA.
18 of 32Thomas Lohnes/AFP/Getty Images
Winter sports enthusiast Martin Stobbe enjoys a trip with his snow kite on the Wasserkuppe mountain near Poppenhausen, central Germany.
19 of 32Mihai Stetcu/Red Bull Content Pool
A competitor races through the mud during the Red Bull Romaniacs in Sibiu, Romania.
20 of 32Scott Olson/Getty Images
Katherine Sullivan climbs the side of an ice-covered grain silo in Cedar Falls, Iowa.
21 of 32Cameron Spencer/Getty Images
A general view of the race start in the Jetski final at Al-Musannah Sports City during day eight of the 2nd Asian Beach Games Muscat in Muscat, Oman.
22 of 32David McNew/Getty Images
Lane Vogel ascends Whitney Portal Road through the Alabama Hills toward the finish of the AdventurCORPS Badwater 135 ultra-marathon race outside of Death Valley National Park, California.
23 of 32Jeff Kardas/Getty Images
Riders race at dusk at the Monster Energy AMA Supercross race at Rice-Eccles Stadium in Salt Lake City, Utah.
24 of 32Nick Obank/Barcroft Media/Getty Images
James Boole jumps from the top of Monte Trento peak in Trento, Italy.
25 of 32Eli Thompson/Barcroft Media/Getty Images
Miles Daisher Skyaking in freefall in Sebastian, Florida. Danger man Miles Daisher casts a bizarre image paddling across the sky - 13,000 feet up in a KAYAK.
26 of 32Jeff J Mitchell/Getty Images
Participents take part in the Tough Mudder endurance event at Dalkieth Country Estate in Edinburgh, Scotland. The world-famous Tough Mudder is military style endurance event over 10-12 miles with various obstacles around the course designed by British Special Forces.
27 of 32Camilo Rozo/Red Bull Content Pool
Cedric Dumont and fellow base jumper Johnatan Florez jump from the top of the Gocta waterfall in Peru.
28 of 32Robert Beck/SI
Zach Wormhoudt in the second semifinal at the Mavericks Invitational big-wave surfing contest.
29 of 32Jorge S. Cabrera A./LatinContent/Getty Images
Tourists slide down the Cerro Negro volcano in the outskirts of Leon, Nicaragua.
30 of 32Paulo Calisto/Red Bull Content Pool
Blake Aldridge dives from the 27 metre platform on Islet Vila Franca do Campo during the fifth stop of the Red Bull Cliff Diving World Series, Azores, Portugal.
31 of 32Michael Werlberger / Red Bull Content Pool
A skier takes the leap during the Goldi Sommercamp in Villach, Austria.
32 of 32Daniel Tengs/Red Bull Content Pool
Participants race up the hill during the Rally to the Valley in Hemsedal, Norway.
You May Like
Sign Up for our Newsletter
Don't get stuck on the sidelines! Sign up to get exclusives, daily highlights, analysis and more—delivered right to your inbox!