{
  "calculator": "running-pace-calculator",
  "title": "Running Pace Calculator",
  "site": "AI Fit Hub",
  "input": {
    "distance_km": 10,
    "time_minutes": 50
  },
  "defaults_used": {},
  "result": {
    "paceMinPerKm": 5,
    "paceMinPerMile": 8.04672,
    "speedKph": 12,
    "speedMph": 7.456454306848007,
    "projectedRaces": [
      {
        "label": "5K",
        "distanceKm": 5,
        "timeMinutes": 25
      },
      {
        "label": "10K",
        "distanceKm": 10,
        "timeMinutes": 50
      },
      {
        "label": "Half Marathon",
        "distanceKm": 21.0975,
        "timeMinutes": 105.4875
      },
      {
        "label": "Marathon",
        "distanceKm": 42.195,
        "timeMinutes": 210.975
      }
    ]
  },
  "provenance": {
    "run": "https://aifithub.io/api/run/running-pace-calculator?distance_km=10&time_minutes=50",
    "page": "https://aifithub.io/running-pace-calculator/",
    "methodology": "https://aifithub.io/methodology/running-pace-calculator/",
    "contract": "https://aifithub.io/contracts/running-pace-calculator.json",
    "engine": "https://aifithub.io/engines/running-pace-calculator.js",
    "engine_sha256": "a3bcaee87f0f2244cf5ee4e627fa7b44e3399022ffbc848760077ccdf63d1518",
    "build": "9e8a56a16bda662ba90601b49561a2b176e9c379"
  },
  "disclaimer": "General fitness estimates — not medical advice.",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "cite": "AI Fit Hub, Running Pace Calculator (engine a3bcaee87f0f), https://aifithub.io/api/run/running-pace-calculator?distance_km=10&time_minutes=50"
}