Qualified level 2 fitness instructor expertise: callisthenics, cardio and weights

Overall I have a solid understanding of technique in regards to training as I’m a fitness fanatic myself i weight 100kg but I run 6k runs every week in 39 mins you probably think how is someone of that size able to do that. Yet again is all about technique, patience and consistency.
Expertise: Cardio ,callisthenics and weightlifting