Add race lengths and olympic records as altitude options

macrovision.js

@@ -957,6 +957,26 @@ function drawVerticalScale(ifDirty = false) {
         drawAltitudeLine(ctx, math.unit(4000, "feet"), "Class C");
         drawAltitudeLine(ctx, math.unit(2500, "feet"), "Class D");
     }
+
+    if (config.drawAltitudes == "races" || config.drawAltitudes == "all") {
+        drawAltitudeLine(ctx, math.unit(100, "meters"), "100m Dash");
+        drawAltitudeLine(ctx, math.unit(26.2188/2, "miles"), "Half Marathon");
+        drawAltitudeLine(ctx, math.unit(26.2188, "miles"), "Marathon");
+        drawAltitudeLine(ctx, math.unit(161.734, "miles"), "Monaco Grand Prix");
+        drawAltitudeLine(ctx, math.unit(500, "miles"), "Daytona 500");
+        drawAltitudeLine(ctx, math.unit(2121.6, "miles"), "Tour de France");
+    }
+
+    if (config.drawAltitudes == "olympic-records" || config.drawAltitudes == "all") {
+        drawAltitudeLine(ctx, math.unit(2.39, "meters"), "High Jump");
+        drawAltitudeLine(ctx, math.unit(6.03, "meters"), "Pole Vault");
+        drawAltitudeLine(ctx, math.unit(8.90, "meters"), "Long Jump");
+        drawAltitudeLine(ctx, math.unit(18.09, "meters"), "Triple Jump");
+        drawAltitudeLine(ctx, math.unit(23.30, "meters"), "Shot Put");
+        drawAltitudeLine(ctx, math.unit(72.30, "meters"), "Discus Throw");
+        drawAltitudeLine(ctx, math.unit(84.80, "meters"), "Hammer Throw");
+        drawAltitudeLine(ctx, math.unit(90.57, "meters"), "Javelin Throw");
+    }
 }
 
 // this is a lot of copypizza...
@@ -2420,6 +2440,8 @@ const settingsData = {
             "geology",
             "thicknesses",
             "airspaces",
+            "races",
+            "olympic-records",
         ],
         get value() {
             return config.drawAltitudes;