Embed a Triathlon Calculator
Free, auto-resizing calculators you can drop onto any training site, club page, or coaching blog
Copy a snippet below and paste it into your page. Each calculator auto-sizes to its content so you don't need to tune a fixed height. No JavaScript framework required.
Triathlon Race Time Calculator
Predict a triathlon finish time from swim pace, bike speed, and run pace. Covers sprint, Olympic, 70.3, and Ironman with realistic transition times.
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Drop this on your own site to embed a live, auto-resizing version of this calculator with a link back to us.
<iframe src="https://mytriathloncalculator.com/embed/race-time" data-tri-embed width="100%" height="720" style="border:0" title="Triathlon calculator"></iframe>
<script>
window.addEventListener('message', function (e) {
if (e.data && e.data.type === 'tri-embed-height') {
document.querySelectorAll('iframe[data-tri-embed]').forEach(function (f) {
if (f.contentWindow === e.source) f.style.height = e.data.height + 'px';
});
}
});
</script>
<p><a href="https://mytriathloncalculator.com/calculators/race-time-calculator?utm_source=embed" target="_blank" rel="noopener">Free triathlon calculator</a> via mytriathloncalculator.com</p>Ironman Cutoff Calculator
Check projected swim, bike, and run splits against the official Ironman and 70.3 cutoff times, with per-segment margin.
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Drop this on your own site to embed a live, auto-resizing version of this calculator with a link back to us.
<iframe src="https://mytriathloncalculator.com/embed/cutoff" data-tri-embed width="100%" height="720" style="border:0" title="Triathlon calculator"></iframe>
<script>
window.addEventListener('message', function (e) {
if (e.data && e.data.type === 'tri-embed-height') {
document.querySelectorAll('iframe[data-tri-embed]').forEach(function (f) {
if (f.contentWindow === e.source) f.style.height = e.data.height + 'px';
});
}
});
</script>
<p><a href="https://mytriathloncalculator.com/calculators/cutoff-calculator?utm_source=embed" target="_blank" rel="noopener">Free triathlon calculator</a> via mytriathloncalculator.com</p>Finish Time Predictor
Enter one recent race and predict finish times at 1 mile, 5K, 10K, 15K, half marathon, and marathon using the Riegel formula.
Copy embed snippet
Drop this on your own site to embed a live, auto-resizing version of this calculator with a link back to us.
<iframe src="https://mytriathloncalculator.com/embed/finish-time-predictor" data-tri-embed width="100%" height="720" style="border:0" title="Triathlon calculator"></iframe>
<script>
window.addEventListener('message', function (e) {
if (e.data && e.data.type === 'tri-embed-height') {
document.querySelectorAll('iframe[data-tri-embed]').forEach(function (f) {
if (f.contentWindow === e.source) f.style.height = e.data.height + 'px';
});
}
});
</script>
<p><a href="https://mytriathloncalculator.com/calculators/finish-time-predictor?utm_source=embed" target="_blank" rel="noopener">Free triathlon calculator</a> via mytriathloncalculator.com</p>Power-to-Weight (W/kg) Category Checker
Enter weight and FTP (or 5s/1min/5min power) to see a Coggan power-profile category. No account or ride-history upload required.
Copy embed snippet
Drop this on your own site to embed a live, auto-resizing version of this calculator with a link back to us.
<iframe src="https://mytriathloncalculator.com/embed/power-to-weight" data-tri-embed width="100%" height="720" style="border:0" title="Triathlon calculator"></iframe>
<script>
window.addEventListener('message', function (e) {
if (e.data && e.data.type === 'tri-embed-height') {
document.querySelectorAll('iframe[data-tri-embed]').forEach(function (f) {
if (f.contentWindow === e.source) f.style.height = e.data.height + 'px';
});
}
});
</script>
<p><a href="https://mytriathloncalculator.com/calculators/power-to-weight?utm_source=embed" target="_blank" rel="noopener">Free triathlon calculator</a> via mytriathloncalculator.com</p>How it works
- Paste the snippet anywhere you can add HTML.
- The iframe auto-resizes when the user interacts with the calculator.
- No affiliate or product content appears inside the embed.
- The attribution link is included in the snippet so your readers can access the full tool.