{
  "source": "Garmin FTP ratings, after Allen and Coggan",
  "sourceUrl": "https://www8.garmin.com/manuals-apac/webhelp/fenixe/EN-SG/GUID-BCF7F912-F80A-4951-81C1-F5A3635731FB-849.html",
  "attribution": "Hunter Allen and Andrew Coggan, Training and Racing with a Power Meter (VeloPress, Boulder, CO, 2010)",
  "asOf": "2026-10-27",
  "unit": "W/kg",
  "note": "Copied cell by cell from the cited Garmin page. Each range is [min, max] in W/kg; null means open ended (5.05 and greater, less than 2.23). Levels are split by sex, not by age.",
  "levels": [
    { "name": "Superior", "men": [5.05, null], "women": [4.30, null] },
    { "name": "Excellent", "men": [3.93, 5.04], "women": [3.33, 4.29] },
    { "name": "Good", "men": [2.79, 3.92], "women": [2.36, 3.32] },
    { "name": "Fair", "men": [2.23, 2.78], "women": [1.90, 2.35] },
    { "name": "Untrained", "men": [null, 2.23], "women": [null, 1.90] }
  ]
}