[InKunming--Yunnan]  Dane Jackson (C) of the United States celebrates after successfully challenged the Tiger Rapid at the last day of the 2015 Red Bull Kayak Mania in Nujiang River, Lisu Autonomous Prefecture of Nujiang, southwest China's Yunnan Province, March 22, 2015. (Xinhua/Ding Xu)

Dane Jackson (C) of the United States celebrates with a staff after successfully challenging the Tiger Rapid of Nujiang at the last day of the 2015 Red Bull Kayak Mania in Nujiang River, Lisu Autonomous Prefecture of Nujiang, southwest China's Yunnan Province, March 22, 2015. (Xinhua/Ding Xu)

Dane Jackson of the United States researches the wave before challenging the Tiger Rapid of Nujiang at the last day of the 2015 Red Bull Kayak Mania in Nujiang River, Lisu Autonomous Prefecture of Nujiang, southwest China's Yunnan Province, March 22, 2015. (Xinhua/Ding Xu)

Dane Jackson of the United States challenges the Tiger Rapid at the last day of the 2015 Red Bull Kayak Mania in Nujiang River, Lisu Autonomous Prefecture of Nujiang, southwest China's Yunnan Province, March 22, 2015. (Xinhua/Ian Webb)

Dane Jackson of the United States challenges the Tiger Rapid of Nujiang at the last day of the 2015 Red Bull Kayak Mania in Nujiang River, Lisu Autonomous Prefecture of Nujiang, southwest China's Yunnan Province, March 22, 2015. (Xinhua/Ding Xu)