Should I feel guilty because I don’t run for exercise?

Should I feel guilty because I don’t run for exercise?

I do cardio exercise in Spiece’s Group Blast class and at Basches when I Taekwondo spar. There are people at Spiece I see running the track or using the treadmills and other cardio equipment.  I don’t do any of that and I wonder if my endurance is that...
There are two tracks at Spiece Fitness. Fort Wayne Fitness Blog

There are two tracks at Spiece Fitness. Fort Wayne Fitness Blog

My favorite place to run or walk at Spiece Fitness is not on the raised track around the perimeter of the weight and cardio area.  It’s an unofficial track which is longer than the raised track of 9 laps/mile.  My favorite place to run or walk is around the...