Those weightlifters at the gym just look so overjoyed, trudging from machine to machine. But who says building strength has to be boring? Put some pizazz into your workout in a brand new way, with this deal at The Warrior Factory, and get a 2-hour open gym session for up to four people ages 13+ to adults (an $80 value) for $40.

The Warrior Factory’s philosophy rests on building strength through obstacles—a whole course of them, to be exact. You’ll have the chance to tackle challenges seen on the television series American Ninja Warrior with guidance from actual show competitors. Working every major muscle group will be a given as you scale walls, climb ropes and conquer every inch of the course while strengthening your core, boosting metabolism and more. New obstacles and courses are changed regularly so there is always a new challenge. Working out was never this much fun, so be sure to grab this deal to do it for less and experience a new frontier in fitness.