diff --git a/src/data/changelog.js b/src/data/changelog.js
index 9aadf55..e0b6520 100644
--- a/src/data/changelog.js
+++ b/src/data/changelog.js
@@ -1,6 +1,11 @@
 import moment from 'moment';
 
 export default [{
+  date: moment('2024-03-05 00:00:00').utc(),
+  items: [
+    'Update to 2024S1W13',
+  ],
+}, {
   date: moment('2023-12-12 00:00:00').utc(),
   items: [
     'Update to 2024S1',
diff --git a/src/data/offWeeks.js b/src/data/offWeeks.js
index 71b9e8b..b8e2780 100644
--- a/src/data/offWeeks.js
+++ b/src/data/offWeeks.js
@@ -1,11 +1,5 @@
 export default {
   // Commented out series kept in here for when iRacing schedule next season, often with the same settings
-  // 374 │ 3598 │ IndyCar iRacing Series
-  // 3598: {
-  //   offWeeks: [
-  //     1.1, 1.1, 2.1, 2.1, 3.1, 3.1, 4.1, 5.1, 8.1, 8.1, 9.1, 13.1, 14.1,
-  //   ],
-  // },
   // 512 │ 3974 | SCCA Runoffs - FR500
   // 3974: {
   //   weekEndOffset: { days: 7 },
@@ -65,18 +59,6 @@ export default {
   //     3.1, 3.1, 3.1, 3.1, 3.1, 3.1, 3.1, 3.1, 3.1, 3.1, 3.1, 3.1,
   //   ],
   // },
-  // 495 │ 4222 │ Formula A - Grand Prix Tour | 2023-11-28
-  // 4222: {
-  //   offWeeks: [
-  //     1.1, 2.1, 3.1, 3.1, 3.1, 5.1, 8.1, 9.1, 11.1, 13.1, 13.1, 13.1, 15.1, 17.1, 18.1, 21.1,
-  //   ],
-  // },
-  // 496 │ 4223 │ Formula A - Grand Prix Tour - Fixed | 2023-11-28
-  // 4223: {
-  //   offWeeks: [
-  //     1.1, 2.1, 3.1, 3.1, 3.1, 5.1, 8.1, 9.1, 11.1, 13.1, 13.1, 13.1, 15.1, 17.1, 18.1, 21.1,
-  //   ],
-  // },
   // 275 │ 4251 │ Nurburgring Endurance Championship | 2023-10-31
   // 4251: {
   //   offWeeks: [
@@ -229,4 +211,22 @@ export default {
       1.1, 2.1, 3.1, 4.1, 5.1, 6.1, 7.1,
     ],
   },
+  // 495 │ 4828   │ Road │ C     │ Formula A - Grand Prix Tour | 2024-12-10
+  4828: {
+    offWeeks: [
+      2.1, 3.1, 4.1, 5.1, 6.1, 8.1, 9.1, 12.1, 14.1, 14.1, 14.1, 16.1, 18.1, 18.1, 18.1, 21.1, 21.1, 
+    ]
+  },
+  // 496 │ 4829   │ Road │ C     │ Formula A - Grand Prix Tour - Fixed │ 2024-12-10
+  4829: {
+    offWeeks: [
+      2.1, 3.1, 4.1, 5.1, 6.1, 8.1, 9.1, 12.1, 14.1, 14.1, 14.1, 16.1, 18.1, 18.1, 18.1, 21.1, 21.1, 
+    ]
+  },
+  // 374 │ 4831   │ Road │ C     │ INDYCAR iRacing Series | 2024-09-17
+  4831: {
+    offWeeks: [
+      1.1, 2.1, 2.1, 2.1, 4.1, 5.1, 8.1, 9.1, 12.1, 12.1, 12.1, 15.1,
+    ],
+  },
 };