Fitness Doesn't Lie Intervals

Workout - Fitness Doesn't Lie Intervals

• 10min @ 8'00''/km
• 2 lots of:
  • 12min @ 6'30''/km
  • 3min rest
• 8min @ 8'00''/km

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Intro

Seth James DeMoor’s (THIS) does not LIE in Running has solid takeaways. The main workout structure is below so you can use it today. For the complete breakdown, watch the full video.

Key points

• Fitness doesn’t lie. Sustained training effort reveals your true fitness level.
• Back-to-back hard days (once or twice a month) condition your body to perform while fatigued. Essential prep for marathons and ultramarathons.
• Consistency and balance: regular runs, targeted intervals, and proper recovery. For more on the science, see Mastering Interval Training: Science-Backed Workouts and How a Smart App Can Personalize Them.
• Progressive run-walk intervals build capacity for unbroken 5k/3-mile efforts. Run-walk training builds endurance and is foundational for 5k speed goals. See Mastering 5K Speed: Proven Interval Strategies to Cut Minutes off Your Time for targeted approaches.

Workout example

Weekly structure (example from the vlog):

1. One day off: rest.
2. Two days of walking: active recovery.
3. Two days of intervals: 12 min run / 3 min walk, repeat twice, finish with a walk.
4. Two days of straight runs: 25 min straight run.
5. Progressive runs (optional):
   • 10-minute run plus walk.
   • 15-minute run plus walk.
   • 25-minute run (no walk).
   • 35-minute run (no walk).

This progression takes you from short run-walk intervals to sustained, unbroken runs. Once you’ve built endurance for 30-40 minute continuous runs, you’re ready for longer-distance training. See Mastering the 10K: Proven Training Plans, Pace Strategies, and How a Smart App Can Elevate Your Performance for the next step.

Closing note

Try this run-walk progression and adjust durations to your pace in the Pacing app. Consistency makes the difference.

References

• (THIS) does not LIE in Running - YouTube (YouTube Video)