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Igor Koprivica

Fitness, training and nutrition - tips and guides · Bijeljina.

  • What Is Hybrid Training and Why It Works

    What Is Hybrid Training and Why It Works

    I am Igor Koprivica, founder of the X Hybrid System. Here is exactly what hybrid training is, why it works, and how I program strength and endurance together so you feel strong and capable in real life.

    July 19, 2026·8 min
  • Functional Fitness for Everyday Life: Train for the Life You Actually Live

    Functional Fitness for Everyday Life: Train for the Life You Actually Live

    I do not train people to lift big numbers in the gym. I train them for the life outside it: to carry the groceries, chase the kids, and finish a long day with energy left over. Here is what functional fitness really means and how to start.

    July 19, 2026·8 min
  • How to Train for an OCR (Obstacle Course Race): A Coach's Race-Prep Guide

    How to Train for an OCR (Obstacle Course Race): A Coach's Race-Prep Guide

    I race OCR and triathlon myself, and I have prepared hundreds of people for their first obstacle course race. Here is exactly how I build an athlete over 8 to 12 weeks: running base, strength, grip, carries and conditioning.

    July 19, 2026·9 min
  • Combining Running and Strength Training (Without Losing Gains)

    Combining Running and Strength Training (Without Losing Gains)

    Runners who want to get stronger and lifters who want better conditioning both worry about the same thing: will one ruin the other? Here's how I schedule both, from a triathlete-coach who lives it.

    July 19, 2026·8 min