Sports
Running Pace & Heart Rate Zone Calculator
Predict race times, calculate heart-rate zones, and build pace conversion tables from a recent race result
json· JSON resultOpen tool
Quick start
Call this tool from your code in three languages.
cURL
curl -X POST 'https://api.elysiatools.com/en/api/tools/running-pace-heart-rate-zone-calculator' \
-H 'Content-Type: application/json' \
-d '{"recentRaceDistance":10,"distanceUnit":"km","raceTimeHours":0,"raceTimeMinutes":50,"raceTimeSeconds":0,"age":35,"restingHeartRate":60,"lactateThresholdHeartRate":170,"paceTableStepSeconds":15,"paceTableRangeSeconds":60}'API reference
Send a POST request with your inputs as JSON. File parameters require a separate upload first.
Endpoint
HTTP
POST https://api.elysiatools.com/en/api/tools/running-pace-heart-rate-zone-calculatorParameters
| Name | Type | Required | Description |
|---|---|---|---|
| recentRaceDistance | number | Yes | — |
| distanceUnit | select | Yes | — |
| raceTimeHours | number | No | — |
| raceTimeMinutes | number | No | — |
| raceTimeSeconds | number | No | — |
MCP integration
Add this tool to your Model Context Protocol server so AI agents can list and call it.
Server configuration
Add this block to your MCP client configuration:
mcp.json
{
"mcpServers": {
"elysiatools-running-pace-heart-rate-zone-calculator": {
"name": "running-pace-heart-rate-zone-calculator",
"description": "Predict race times, calculate heart-rate zones, and build pace conversion tables from a recent race result",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=running-pace-heart-rate-zone-calculator",
"command": "",
"args": [],
"env": {},
"isActive": true,
"type": "sse"
}
}
}List available tools
After connecting to the SSE endpoint, list the exposed tools:
tools/list
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/list"
}Call this tool
Invoke the tool by its id, passing arguments built from its parameters:
tools/call
{
"jsonrpc": "2.0",
"id": 2,
"method": "tools/call",
"params": {
"name": "running-pace-heart-rate-zone-calculator",
"arguments": {
"recentRaceDistance": 10,
"distanceUnit": "km",
"raceTimeHours": 0,
"raceTimeMinutes": 50,
"raceTimeSeconds": 0,
"age": 35,
"restingHeartRate": 60,
"lactateThresholdHeartRate": 170,
"paceTableStepSeconds": 15,
"paceTableRangeSeconds": 60
}
}
}Chain multiple tools in one session with a comma-separated toolId list, e.g. /mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp (max 20).