That Triathlon Show

Triathlon Base Training Series 4 - Running

Dec 4, 2025
Joining the conversation is Jack Hutchens, an experienced triathlon coach and performance consultant with a focus on run training. He and Mikael Eriksson explore the essentials of base training for triathletes. They dive into the significance of long runs and hill training, effective volume progression, and the balance between Zone 1 and Zone 2 running. Jack also shares strategies for incorporating VO2max sessions and emphasizes the importance of adapting training based on weather conditions, ensuring every runner can thrive.
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ANECDOTE

Velodrome Test Found Big Watt Savings

  • Jack tested position and kit at the Portuguese velodrome and found meaningful savings by moving extensions to the limit.
  • He estimated a 10–15 watt saving at race pace from position changes and equipment choices.
ADVICE

Progress Run Volume Slowly

  • Ramp run volume very slowly to reduce injury risk; use ~5 minutes extra per run per week as a safe rule of thumb.
  • Increase to ~10 minutes per run per week only for very experienced, robust runners used to high weekly hours.
INSIGHT

Easy Runs Protect Overall Training Quality

  • Triathletes should favour easier aerobic runs to manage overall fatigue and energy budget across three disciplines.
  • Running slightly faster in zone 2 gives little extra return if it compromises higher-quality intensity sessions later.
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