Heart Rate During Workout — Free Spline Chart Template
This Heart Rate During Workout template plots a smooth spline curve of beats per minute across a one-hour run. The sample data climbs from a resting 72 BPM at the start to a peak of 165 BPM around the 30-minute mark before easing back, showing a classic warm-up, exertion, and recovery arc. It is a ready-made starting point for visualizing your own training session without building a chart from scratch.
Open This Template in the EditorAbout This Spline Chart Template
This Heart Rate During Workout template plots a smooth spline curve of beats per minute across a one-hour run. The sample data climbs from a resting 72 BPM at the start to a peak of 165 BPM around the 30-minute mark before easing back, showing a classic warm-up, exertion, and recovery arc. It is a ready-made starting point for visualizing your own training session without building a chart from scratch.
It's a ready-made Spline Chart you can open and edit in seconds — replace the sample numbers with your own, restyle it, and download a publication-ready image, all free and in your browser.
Template Data
This template ships with the sample data below. Open it in the editor to swap in your own figures:
| Minute | Heart Rate |
|---|---|
| 0 | 72 |
| 5 | 95 |
| 10 | 120 |
| 15 | 138 |
| 20 | 152 |
| 25 | 160 |
| 30 | 165 |
| 35 | 162 |
| 40 | 158 |
| 45 | 155 |
| 50 | 148 |
| 55 | 130 |
| 60 | 90 |
When to Use This Template
- Runners and cyclists charting BPM trends from a watch or chest-strap export after a workout
- Personal trainers and coaches illustrating heart rate zones and recovery for client sessions
- Fitness bloggers or students needing a clean cardio graph for an article, report, or presentation
How to Use It
- Open the template — click "Open This Template in the Editor" to load it with its sample data.
- Edit the data — type your own labels and values, or paste a column straight from a spreadsheet.
- Customize & export — pick colors, add a title, then download as PNG, SVG, or PDF. No signup, no watermark.
Frequently Asked Questions
Can I replace the sample BPM data with my own readings?
Yes. Click Open in editor and edit the data table directly, changing the time and heart rate values or adding rows for a longer session. The spline curve redraws instantly as you type, and you can recolor the line and relabel the axes too.
Is it free, and how do I save the finished chart?
It is completely free with no signup. Everything runs in your browser, and you can export your chart as a PNG, SVG, or PDF to download and share or embed wherever you need it.
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