Diverse groups of athletes use the Cathedral of Learning stairs for an intense workout and to challenge themselves.

Add Yahoo as a preferred source to see more of our stories on Google. Hyrox is an intense challenge for anyone, especially for those in their 80s who have just battled cancer. The fitness race ...

Trainers explain how to complete it successfully.

This video follows Magnus Midtbø as he attempts a series of intense fitness challenges designed to test multiple aspects of ...

Hugh Jackman proves age is just a number as he takes on a brutal new fitness challenge designed by trainer Beth Lewis. The 57 ...

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