(United Kingdom) Mountain Biking
Completed the perfect season in 2016, becoming the first ever rider to win all seven rounds of the UCI Downhill World Cup. She has now gone 13 straight races unbeaten. Atherton also won her fourth senior World Championship, her third in four years.
Won his sixth X-Games gold medal in six years in Skateboard Park, a competition he dominates. He is one of the most popular action sports athletes in Brazil, with a personal bowl in his backyard that includes a street course.
(United States) Surfing
Won his first World Championship at 24. He clinched surfing’s crown with more than a month to go on the World Surf Tour. He is the first Hawaii-born surfer to win the title since Andy Irons in 2004 and many are predicting as bright a future.
(United States) Snowboarding
At just 15, won her second and third Super Pipe X-Games gold medals. Also became the first woman to land back-to-back 1080 spins, at the US Snowboarding Grand Prix, and won gold in Halfpipe and Slopestyle at the Winter Youth Olympics.
(Estonia) Freestyle Skiing
At just 13, won the Slopestyle title to become the youngest ever gold medallist at the Winter X-Games, overtaking Chloe Kim who was a gold medal winner at 14. It was her second big win after the Dew Tour Slopestyle in December 2015.
Won her first World Surfing Championship, at 22, beating her main rival Courtney Conlogue. Wright had suffered burn out as a teenager and came to hate the sport, however she persevered with the help and support of her family.