Dr. Jack Daniels’ principles on increasing weekly mileage:

  • Increase weekly mileage by as many miles as the number of runs you do each week
    • Increase by 5 miles per week if running 5x per week
    • Never increase more than 10 miles
  • Stay with one amount of running for at least 4 weeks
    • Do not follow 10% weekly mileage increase rule
    • Let your body adjust to a certain amount of stress before increasing volume

More videos from Jack on YouTube.