diff --git a/package-lock.json b/package-lock.json
index 350625cc..db58befb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -47,6 +47,7 @@
         "gpx-builder": "^5.3.0",
         "grant": "^5.4.22",
         "igc-parser": "^1.1.0",
+        "igc-xc-score": "^1.7.0",
         "ioredis": "^5.4.1",
         "lit": "^3.1.3",
         "lodepng": "^2.2.0",
@@ -8205,6 +8206,14 @@
       "integrity": "sha512-lHl4d5/ONEbLlJvaJNtsF/Lz+WvB07u2ycqTYbdrq7UypDXailES4valYb2eWiJFxZlVmpGekfqoxQhzyFdT4Q==",
       "dev": true
     },
+    "node_modules/collections": {
+      "version": "5.1.13",
+      "resolved": "https://registry.npmjs.org/collections/-/collections-5.1.13.tgz",
+      "integrity": "sha512-SCb6Qd+d3Z02corWQ7/mqXiXeeTdHvkP6TeFSYfGYdCFp1WrjSNZ3j6y8Y3T/7osGEe0iOcU2g1d346l99m4Lg==",
+      "dependencies": {
+        "weak-map": "~1.0.x"
+      }
+    },
     "node_modules/color": {
       "version": "4.2.3",
       "resolved": "https://registry.npmjs.org/color/-/color-4.2.3.tgz",
@@ -10737,6 +10746,22 @@
         "node": "^10.12.0 || >=12.0.0"
       }
     },
+    "node_modules/flatbush": {
+      "version": "4.4.0",
+      "resolved": "https://registry.npmjs.org/flatbush/-/flatbush-4.4.0.tgz",
+      "integrity": "sha512-cf6G+sfy/+/FLH7Ls1URQ5GCRlXgwgqUZiEsMNrMZqb3Us3EkKmzUlKbnyoBy/4wI4oLJ+8cyCQoKJIVm92Fmg==",
+      "dependencies": {
+        "flatqueue": "^2.0.3"
+      }
+    },
+    "node_modules/flatqueue": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/flatqueue/-/flatqueue-2.0.3.tgz",
+      "integrity": "sha512-RZCWZNkmxzUOh8jqEcEGZCycb3B8KAfpPwg3H//cURasunYxsg1eIvE+QDSjX+ZPHTIVfINfK1aLTrVKKO0i4g==",
+      "engines": {
+        "node": ">= 12.17.0"
+      }
+    },
     "node_modules/flatted": {
       "version": "3.3.1",
       "resolved": "https://registry.npmjs.org/flatted/-/flatted-3.3.1.tgz",
@@ -12058,6 +12083,20 @@
         "node": ">=12"
       }
     },
+    "node_modules/igc-xc-score": {
+      "version": "1.7.0",
+      "resolved": "https://registry.npmjs.org/igc-xc-score/-/igc-xc-score-1.7.0.tgz",
+      "integrity": "sha512-49UQM9mbXjTo2mmeRYIq0vszShw8bg8TKhTU2XGwBCmSk0ojJFACajeZKSB0dT8u3F6p+7ap1oRv17g22Xh3PA==",
+      "dependencies": {
+        "collections": "^5.1.13",
+        "flatbush": "^4.0.0",
+        "igc-parser": "^1.1.0",
+        "rbush": "^3.0.1"
+      },
+      "bin": {
+        "igc-xc-score": "dist/igc-xc-score.cjs"
+      }
+    },
     "node_modules/ignore": {
       "version": "5.3.1",
       "resolved": "https://registry.npmjs.org/ignore/-/ignore-5.3.1.tgz",
@@ -16524,6 +16563,11 @@
         }
       ]
     },
+    "node_modules/quickselect": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/quickselect/-/quickselect-2.0.0.tgz",
+      "integrity": "sha512-RKJ22hX8mHe3Y6wH/N3wCM6BWtjaxIyyUIkpHOvfFnxdI4yD4tBXEBKSbriGujF6jnSVkJrffuo6vxACiSSxIw=="
+    },
     "node_modules/random-bytes": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/random-bytes/-/random-bytes-1.0.0.tgz",
@@ -16571,6 +16615,14 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/rbush": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/rbush/-/rbush-3.0.1.tgz",
+      "integrity": "sha512-XRaVO0YecOpEuIvbhbpTrZgoiI6xBlz6hnlr6EHhd+0x9ase6EmeN+hdwwUaJvLcsFFQ8iWVF1GAK1yB0BWi0w==",
+      "dependencies": {
+        "quickselect": "^2.0.0"
+      }
+    },
     "node_modules/react-is": {
       "version": "18.3.1",
       "resolved": "https://registry.npmjs.org/react-is/-/react-is-18.3.1.tgz",
@@ -19767,6 +19819,11 @@
         "defaults": "^1.0.3"
       }
     },
+    "node_modules/weak-map": {
+      "version": "1.0.8",
+      "resolved": "https://registry.npmjs.org/weak-map/-/weak-map-1.0.8.tgz",
+      "integrity": "sha512-lNR9aAefbGPpHO7AEnY0hCFjz1eTkWCXYvkTRrTHs9qv8zJp+SkVYpzfLIFXQQiG3tVvbNFQgVg2bQS8YGgxyw=="
+    },
     "node_modules/web-streams-polyfill": {
       "version": "4.0.0-beta.3",
       "resolved": "https://registry.npmjs.org/web-streams-polyfill/-/web-streams-polyfill-4.0.0-beta.3.tgz",
diff --git a/package.json b/package.json
index 433d0ec4..74724972 100644
--- a/package.json
+++ b/package.json
@@ -114,6 +114,7 @@
     "gpx-builder": "^5.3.0",
     "grant": "^5.4.22",
     "igc-parser": "^1.1.0",
+    "igc-xc-score": "^1.7.0",
     "ioredis": "^5.4.1",
     "lit": "^3.1.3",
     "lodepng": "^2.2.0",