{
  "formatVersion": 1,
  "club": "HYC",
  "name": "Autumn League 2025 racing marks",
  "source": "https://hyc.ie/system/resources/2331/original/AL_Course_Card_Technical_Sheet.pdf",
  "marks": [
    {
      "id": "A",
      "name": "Apex",
      "shape": "conical",
      "color": "black",
      "position": {
        "lat": 53.446,
        "lng": -6.054333
      }
    },
    {
      "id": "B",
      "name": "Balscadden",
      "shape": "conical",
      "color": "orange",
      "position": {
        "lat": 53.388333,
        "lng": -6.054333
      }
    },
    {
      "id": "C",
      "name": "Cush",
      "shape": "conical",
      "color": "black",
      "position": {
        "lat": 53.410167,
        "lng": -6.090833
      }
    },
    {
      "id": "D",
      "name": "Dunbo",
      "shape": "conical",
      "color": "yellow",
      "position": {
        "lat": 53.412167,
        "lng": -6.064167
      }
    },
    {
      "id": "E",
      "name": "East",
      "shape": "conical",
      "color": "black",
      "position": {
        "lat": 53.433333,
        "lng": -6.036667
      }
    },
    {
      "id": "F",
      "name": "Finish",
      "shape": "cylindrical",
      "color": "orange",
      "placement": "Between Island Mark and Howth Sound"
    },
    {
      "id": "G",
      "name": "Garbh",
      "shape": "conical",
      "color": "black",
      "position": {
        "lat": 53.416667,
        "lng": -6.038667
      }
    },
    {
      "id": "H",
      "name": "Hub",
      "shape": "conical",
      "color": "black",
      "position": {
        "lat": 53.4285,
        "lng": -6.073833
      }
    },
    {
      "id": "I",
      "name": "Island",
      "shape": "conical",
      "color": "black",
      "position": {
        "lat": 53.411667,
        "lng": -6.072667
      }
    },
    {
      "id": "J",
      "name": "Thulla",
      "shape": "conical",
      "color": "black",
      "position": {
        "lat": 53.396667,
        "lng": -6.056667
      }
    },
    {
      "id": "K",
      "name": "Stack",
      "shape": "conical",
      "color": "black",
      "position": {
        "lat": 53.41,
        "lng": -6.051833
      }
    },
    {
      "id": "M",
      "name": "Malahide",
      "shape": "inflatable",
      "color": "yellow",
      "position": {
        "lat": 53.453833,
        "lng": -6.093167
      }
    },
    {
      "id": "O",
      "name": "Osprey",
      "shape": "conical",
      "color": "orange",
      "position": {
        "lat": 53.4235,
        "lng": -6.058667
      }
    },
    {
      "id": "P",
      "name": "Portmarnock",
      "shape": "conical",
      "color": "black",
      "position": {
        "lat": 53.427167,
        "lng": -6.096667
      }
    },
    {
      "id": "Q",
      "name": "Rowan Rocks",
      "shape": "iala",
      "color": "black",
      "position": {
        "lat": 53.398,
        "lng": -6.053667
      }
    },
    {
      "id": "R",
      "name": "South Rowan",
      "shape": "iala",
      "color": "green",
      "position": {
        "lat": 53.396333,
        "lng": -6.064667
      }
    },
    {
      "id": "S",
      "name": "Spit",
      "shape": "conical",
      "color": "black",
      "position": {
        "lat": 53.405833,
        "lng": -6.074667
      }
    },
    {
      "id": "T",
      "name": "Talbot",
      "shape": "inflatable",
      "color": "yellow",
      "position": {
        "lat": 53.455167,
        "lng": -6.021667
      }
    },
    {
      "id": "U",
      "name": "Ulysses",
      "shape": "conical",
      "color": "orange",
      "position": {
        "lat": 53.437,
        "lng": -6.082833
      }
    },
    {
      "id": "V",
      "name": "Viceroy",
      "shape": "conical",
      "color": "orange",
      "position": {
        "lat": 53.418667,
        "lng": -6.079667
      }
    },
    {
      "id": "W",
      "name": "West",
      "shape": "conical",
      "color": "black",
      "position": {
        "lat": 53.416,
        "lng": -6.101167
      }
    },
    {
      "id": "X",
      "name": "Xebec",
      "shape": "barrel",
      "color": "black",
      "position": {
        "lat": 53.402,
        "lng": -6.072167
      }
    },
    {
      "id": "Z",
      "name": "Zephyr",
      "shape": "inflatable",
      "color": "black",
      "placement": "Upwind of Start Line"
    }
  ]
}