curl --request GET \
  --url https://api.rewind.rest/v1/running/charts/pace-trend \
  --header 'Authorization: Bearer <token>'

{
  "window": 30,
  "data": [
    {
      "date": "2026-03-01",
      "pace": "8:02/mi",
      "pace_min_per_mile": 8.03,
      "rolling_avg": "8:05/mi",
      "rolling_avg_min_per_mile": 8.08
    },
    {
      "date": "2026-03-03",
      "pace": "8:15/mi",
      "pace_min_per_mile": 8.25,
      "rolling_avg": "8:07/mi",
      "rolling_avg_min_per_mile": 8.12
    }
  ]
}