When it comes to cardio workouts, you either love them, hate them or tolerate them. Adding variety can help those workouts.
Practical Considerations for Combining Cardio and Lifting • Stronger by Science
Cardio Workouts of the Week: Run, Swim, Run (or Ruck)
What is a better approach, running 5 days a week while lifting upper body the other 2 or doing a two-a-day to create a full rest day? - Quora
Cross Training For Runners – GORUCK
CCT Preparation Workout Guide by Colin Roche - Issuu
Stew's Favorites: Weights, Running and Swimming
Are You a Cardio Machine? Improve Your Run - Swim - Ruck! – Stew Smith Fitness
These Running and Swimming Workouts Will Prepare You for Special Ops Testing
13 Week Military Training, PDF, Physical Exercise
CrossFit Games Event Analysis: The Cardio Games 2.0? - Morning Chalk Up