How do I actually follow this HIIT workout once the AI writes it?

Paste the AI's reply into sweatcue. It structures the session into timed blocks with auto-starting rest timers and calls every set, rest and rep out loud, so you train hands-free instead of scrolling a chat window.

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HIIT · Endurance

First easy intervals after your 20-min run

Q: What is the best ChatGPT prompt for a hiit workout like this?

Use the research-backed prompt on this page: "I can now run 20 minutes continuously. Give me a 25-minute gentle interval session that introduces slightly faster running safely — this is my first taste of intervals, so keep it modest. Warm-up: 8 minutes of easy joggi…" Copy the full version with the button above — it wraps the request so ChatGPT, Claude or Gemini returns a clean, followable HIIT workout you can run hands-free in sweatcue.

Beginner · 25–39 · ~20 min

A gentle introduction to faster running once you can run 20 minutes nonstop, 25 minutes. Below is a research-backed prompt for ChatGPT, Claude or Gemini — copy it, paste the reply into sweatcue, and run the whole HIIT workout hands-free.

Session at a glance

Duration~20 min

FormatTimed intervals

FocusGentle first intervals

IntensityRPE 4

Equipmentbike

Best forEndurance, beginner

This is how sweatcue structures the session once you paste it in — timed blocks with auto-starting rest and spoken cues. Figures are read from the prompt itself.

The prompt

Copy the complete prompt (it wraps the request below so the AI returns a clean, runnable session).

I can now run 20 minutes continuously. Give me a 25-minute gentle interval session that introduces slightly faster running safely — this is my first taste of intervals, so keep it modest. Warm-up: 8 minutes of easy jogging at conversational pace (RPE 4-5). Main set: 6 rounds of 30 seconds at a comfortably-hard 'controlled fast' pace (RPE 7 out of 10 — quicker than my normal jog but NOT a sprint, and I should never be gasping), each followed by 90 seconds of easy jogging or walking to fully recover. Cool-down: 5 minutes easy jog then walk. Lay it out as a timed sequence with a one-line cue per block, and tell me to keep the fast bits relaxed and smooth rather than all-out, and to skip this session and just run easy if my legs feel beat up.

Works with Claude, Gemini, Grok or any AI.

Why it's built this way

Once a beginner can comfortably run 20 minutes, brief, well-recovered intervals are a reasonable way to introduce a little intensity, and interval work is an effective stimulus for cardiorespiratory fitness. The deliberately modest RPE-7 effort and long recoveries keep injury and burnout risk low — true beginners shouldn't be sprinting flat-out. Most of your running should still be easy; this is one optional faster session a week, not a new staple.

Sources: Rønnestad et al., Scand J Med Sci Sports 2020 (interval training); Seiler, Int J Sports Physiol Perform 2010 (80/20 intensity distribution)

Run it hands-free in sweatcue

sweatcue is an AI workout dashboard: paste the AI's reply and it runs the whole session on screen and out loud — auto timers, spoken cues for every set, rest and rep, and your live numbers. The AI writes it; sweatcue runs it.

Download for iPhone →

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New to prompting an AI for workouts?

Start with the full workout library, learn the method in how to write a workout prompt, or see what an AI workout dashboard does.