{
  "archived_at": "2026-09-28T04:41:46.003187+00:00",
  "source": "https://bestrunningshoedeals.com/running-shoe-size-evidence.csv",
  "sha256": "5d6749a1806b9c6ceb294341eebdbdfe87ba112d55afcbc3f7ae88494f290d58",
  "rows": 1680,
  "sample_calculated_utc": [
    "2026-09-28T04:41:10.645Z"
  ],
  "results": {
    "Men": {
      "eligible_model_width_combinations": 88,
      "size_counts": {
        "4": 1,
        "4.5": 2,
        "5": 4,
        "5.5": 3,
        "6": 4,
        "6.5": 2,
        "7": 16,
        "7.5": 12,
        "8": 45,
        "8.5": 45,
        "9": 75,
        "9.5": 70,
        "10": 77,
        "10.5": 63,
        "11": 70,
        "11.5": 75,
        "12": 66,
        "12.5": 69,
        "13": 49,
        "14": 20,
        "15": 22,
        "16": 1
      }
    },
    "Women": {
      "eligible_model_width_combinations": 106,
      "size_counts": {
        "4": 1,
        "5": 23,
        "5.5": 17,
        "6": 76,
        "6.5": 60,
        "7": 81,
        "7.5": 73,
        "8": 60,
        "8.5": 59,
        "9": 69,
        "9.5": 74,
        "10": 82,
        "10.5": 69,
        "11": 65,
        "11.5": 22,
        "12": 43,
        "12.5": 3,
        "13": 3,
        "13.5": 3,
        "14": 2,
        "14.5": 3,
        "15.5": 1
      }
    }
  },
  "limits": "Fresh-source convenience sample; known sizes only, colors may differ, inferred normalization, not market-wide availability or delivered-price savings. Same model/width across colors counted once per size.",
  "snapshot_url": "https://bestrunningshoedeals.com/data/running-shoe-size-evidence-2026-09-28-0441.csv",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "description": "Fixed September 28, 2026 04:41 UTC snapshot. Historical observed sale listings; not current inventory.",
  "method_url": "https://bestrunningshoedeals.com/running-shoe-price-index",
  "reproduction": "Group CSV rows by gender, model_slug and width. Count each combination once per us_size. The eligible combinations column is the gender-specific denominator. This snapshot has 88 eligible men\u2019s combinations: 77 record US10 and 22 record US15."
}