What does interval training alternate?

Short intense bursts with less intense recovery periods.

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  1. Only rest days
  2. Short intense bursts with less intense recovery periods ✔
  3. Only long slow runs

Why: Interval training alternates short intense activity with longer less intense periods.

Huh, didn't know that: Interval training alternates short intense activity with longer less intense periods.

The dad joke
Intervals keep your workout on its toes, and you too.
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References

Answer: Short intense bursts with less intense recovery periods. Interval training alternates short intense activity with longer less intense periods.

  1. Physical fitness en.wikipedia.org/wiki/Physical_fitness
    Alternating short bursts (lasting around 30 seconds) of intense activity with longer intervals (three to four minutes) of less intense activity.
    Checked 2026-11-07.

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