Everyone's talking about running and rucking right now. How to decide which one to add to your fitness routine.

Jordan Siemens/Getty Images; Jenny Chang-Rodriguez/BI

• Running and rucking are both trendy in the fitness world.
• They both offer various cardiovascular benefits and can boost mood. 
• Experts said the benefits are similar so go with whichever one you enjoy more. 

Running and rucking are hot in the fitness world right now. If you're deciding between the two, experts told Business Insider to do whichever you enjoy more because both provide similar benefits.

Running...