Boundless is an adrenaline-charged documentary series following the adventures of friends/fierce competitors Simon Donato and Paul "Turbo" Trebilcock in their worldwide quest to challenge their limits in some of the most extreme competitive events on Earth From single and multi-day ultra marathons, to open-ocean standup paddling, to multi-day class 3 kayak races, canyon bike races, and grueling triathlons, the events range from very well known to totally obscure Boundless is a riveting character study of two friends competing amoung themselves and others, revealing all the conflicts they encounter, incredible characters they meet, and set in the unforgettable backdrops of their surroundings. 　　译文(2): 《无限》是一部充满肾上腺素的纪录片系列，讲述了西蒙?多纳托(Simon Donato)和保罗?“涡轮”?特里比尔科克(Paul“ Turbo”Trebilcock)的朋友/激烈竞争对手在世界各地的冒险历程，他们在地球上一些最极端的竞技项目中挑战自己的极限。从单日和多日的超级马拉松，到公海站立划桨，再到多日的3 级皮划艇比赛，峡谷自行车比赛，以及令人筋疲力尽的铁人三项，这些项目的范围从广为人知到完全模糊不清。《无限》是一部引人入胜的角色研究，讲述了两个朋。