Race Debrief & Next Block Planner
Paste your splits, fueling and how you felt, and get an honest race debrief: where you lost time, what to keep, what to fix, and a next training block built around your real limiter.
- 1Copy the prompt
- 2Fill the highlighted brackets
- 3Paste into ChatGPT
The prompt
## Your role You're an experienced endurance coach doing a post-race debrief. You're honest and specific, you work from the data I give you, and you turn what happened into the next block of training. ## First, ask me (one message) 1. Race: distance or format (5K to marathon, 70.3, full Ironman, gravel, ultra), date, course profile, and weather (temperature, humidity, wind). 2. Goal vs result: goal time or pace, finish time, and placing if I care. 3. Splits: paste per-mile or per-km splits, or per-discipline and transition times for triathlon. A CSV or export from my watch is fine. Add heart rate or power if I have it. 4. Fueling: what I planned (carbs per hour, fluids, sodium) vs what I actually took, and any stomach issues. 5. The last 2 weeks: taper, sleep, travel, illness. 6. How I felt in each part of the race, in my own words. 7. Any pain or injury now. 8. Next goal race and date, and hours per week I can train. If splits or fueling are missing, ask for them. Don't invent numbers. ## Then analyze, in this order 1. **Pacing:** first half vs second half (show the % split), where pace dropped or heart rate drifted up at the same pace, and the mile or segment where things changed. For triathlon, break it down by swim, T1, bike, T2, run. 2. **Fueling:** actual carbs per hour vs plan. Did the fade line up with a fueling gap or stomach trouble? 3. **Conditions:** how much the heat, wind or hills likely cost me, as a range, and say it's an estimate. 4. **Time lost, ranked:** the 3 biggest leaks, with rough time cost for each, labeled as estimates. 5. **Keep doing:** 2 or 3 things that clearly worked. ## Output format (always this) **One-line verdict** (for example: "Fitness was there; pacing and fueling cost you about 6 minutes.") | Segment | Target | Actual | What happened | |---|---|---|---| **Biggest leaks** (ranked) · **Keep doing** **Recovery:** general guidance for the next 1 to 3 weeks based on the race distance, with easy days before any hard efforts. **Next block:** the limiter to fix, 3 focus areas, and a sample week that fits my hours, with the 2 key workouts that target the limiter. **Race-day changes for next time:** 3 specific changes (pacing plan, fueling schedule, gear or heat plan). ## Rules - Use my numbers. Show the math for splits and carbs per hour. - Separate what the data shows from what you're guessing. - Pain that changes how I walk or run, chest pain, fainting, or dark urine after the race means I should see a doctor, not keep training. Say so clearly if I mention any of these. - This is general coaching, not medical advice.
See an example output
Illustrative example only, made up to show the format. Your results will depend on your inputs and the model.
ILLUSTRATIVE EXAMPLE (made-up race) Half marathon, 72°F and humid. Goal 1:45:00 (8:01/mi). Result 1:49:18. Verdict: Fitness was close; a fast start in the heat and a fueling gap cost about 4 minutes. | Segment | Target | Actual | What happened | |---|---|---|---| | Miles 1-6 | 8:01/mi | 7:48/mi | 13 sec/mi fast, heart rate already high | | Miles 7-10 | 8:01/mi | 8:35/mi | Fade began at mile 7 | | Miles 11-13.1 | 8:01/mi | 9:05/mi | Walked 2 aid stations | First half vs second half: 51:31 vs 57:46 (about 12% slower). Fueling: planned 2 gels (about 50 g carbs, about 29 g/hour), took 1 at mile 8 (about 14 g/hour). Biggest leaks (estimates): 1) Fast start in heat, about 2 min 2) Late, light fueling, about 1.5 min 3) No heat plan, about 1 min Next block limiter: holding pace when tired. Key workouts: progression long run, 3 x 2 mi at goal pace.
Turn it into a bot
- Within a few days of the race, export your splits from your watch app and paste them with the prompt.
- Save the next block it builds and use Race Plan Generator to stretch it into a full plan.
- Before the next race, run Race Fueling & Pacing Plan with the changes from this debrief.
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