Scenes from during HERO Mud Run at Muskegon County Fairgrounds in Fruitport on Saturday, May 6, 2017. (Youngrae Kim | MLive.com) The military-style obstacle course is designed to be challenging but ...
The Skyladder parkour course at Tianmen Mountain in China is a dizzying maze of obstacles and long drops — and it was all caught on camera. Calen Chan is a freerunner, parkour athlete, and founder of ...
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