Welcome to the Last and Final Week of the Unbreakable SGX Tenacious Challenge Series!
Ever wonder what it takes to be as fast as Ryan Atkins or Meb Keflezighi during a race? Well... I'm here to show you!
Each of the exercises in this video will help you increase speed and stamina during your next race. I suggest giving it 6-10 weeks of solid training using these techniques - in addition to running and other training - before you'll see the results you're looking for.