query RouteRunPositions($id: ID!, $limit: Int) {
  routeRunPositions(id: $id, limit: $limit) {
    data {
      at
      latitude
      longitude
      heading
      speed {
        value
        unit
      }
      accuracy_m
      source
    }
    has_more
  }
}

{
  "id": "obj_1a2B3c",
  "limit": 10
}

{
  "data": {
    "routeRunPositions": {
      "data": [
        {
          "at": "example",
          "latitude": 51.5074,
          "longitude": -0.1278,
          "heading": 1.5,
          "speed": {
            "value": 1.5,
            "unit": "kg"
          },
          "accuracy_m": 1.5,
          "source": "driver_app"
        }
      ],
      "has_more": true
    }
  }
}