Alberto Moya at the Red Bull BMX Flatland Africa Tour 2014 in Mauritius.
Snowboard Freeride
Ashley Barker/Red Bull Content Pool
Craig McMorris snowboards in the Whistler backcountry, British Columbia, Canada.
Formula 1
AP Images
Mercedes AMG Peronas F1 Team
Skydiving
DomDaher/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.
BMX Dirt
Graeme Murray/Red Bull Content Pool
Nick Franklin at the Farm Jam in Winton, New Zealand.
Extreme Sailing
Predrag Vuckovic/Red Bull Content Pool
The Red Bull Extreme Sailing Team during the Extreme Sailing Series Act 4 in Saint Petersburg, Russia.
Snowboarding
Robert Beck/SI
US Grand Prix: USA Shaun White in action during Men's Halfpipe Final at Copper Mountain Ski Resort.
Skateboarding
Richard Mackson/SI
Tony Hawk in action at Del Mar Skate Ranch in 1986.
Air Racing
Jörg 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.
Calcio Storico Fiorentino
Bob Martin/SI
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.
Rallycross
Larry Chen/Red Bull Content Pool
Sverre Isachsen catching some air at round 5 of the Red Bull Global Rallycross series at Charlotte Motor Speedway.
Rock Climbing
Javier Munoz/Red Bull Content Pool
Daniel Fuertes (L) and Chris Sharma (R) compete during the Red Bull Creepers in Puente la Reina-Gares, Spain.
Skiing
Jed Jacobsohn/SI
Mikaela Shiffrin in action for the USA at the Winter Olympics in Sochi.
Mountaineering
Manuel Ferrigato / Red Bull Content Pool
David Lama on his way to the Masherbrum in Pakistan .
Free Climbing
Lincoln 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.
Hang Gliding
Jörg Mitter/Red Bull Content Pool
An extreme sports enthusiast glides through the air.
BMX Park
Zak Noyle/Red Bull Content Pool
Corey Bohan competes at the US Open of Surfing in Huntington Beach, CA.
Kite Boarding
Thomas Lohnes/AFP/Getty Images
Winter sports enthusiast Martin Stobbe enjoys a trip with his snow kite on the Wasserkuppe mountain near Poppenhausen, central Germany.
Motorbike Enduro
Mihai Stetcu/Red Bull Content Pool
A competitor races through the mud during the Red Bull Romaniacs in Sibiu, Romania.
Ice Climbing
Scott Olson/Getty Images
Katherine Sullivan climbs the side of an ice-covered grain silo in Cedar Falls, Iowa.
Jet Skiing
Cameron 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.
Endurance Racing
David 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.
AMA Supercross
Jeff Kardas/Getty Images
Riders race at dusk at the Monster Energy AMA Supercross race at Rice-Eccles Stadium in Salt Lake City, Utah.
Wingsuit Flying
Nick Obank/Barcroft Media/Getty Images
James Boole jumps from the top of Monte Trento peak in Trento, Italy.
Skyaking
Eli 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.
Tough Mudder
Jeff 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.
B.A.S.E. Jumping
Camilo Rozo/Red Bull Content Pool
Cedric Dumont and fellow base jumper Johnatan Florez jump from the top of the Gocta waterfall in Peru.
Surfing
Robert Beck/SI
Zach Wormhoudt in the second semifinal at the Mavericks Invitational big-wave surfing contest.
Sand Boarding
Jorge S. Cabrera A./LatinContent/Getty Images
Tourists slide down the Cerro Negro volcano in the outskirts of Leon, Nicaragua.
Cliff Diving
Paulo 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.
Ski Jumping
Michael Werlberger / Red Bull Content Pool
A skier takes the leap during the Goldi Sommercamp in Villach, Austria.
Winter Racing
Daniel Tengs/Red Bull Content Pool
Participants race up the hill during the Rally to the Valley in Hemsedal, Norway.