diff --git a/src/main/java/dev/coph/flightscore/backend/competition/AltitudeSource.java b/src/main/java/dev/coph/flightscore/backend/competition/AltitudeSource.java
new file mode 100644
index 0000000..64b3bc0
--- /dev/null
+++ b/src/main/java/dev/coph/flightscore/backend/competition/AltitudeSource.java
@@ -0,0 +1,6 @@
+package dev.coph.flightscore.backend.competition;
+
+public enum AltitudeSource {
+    GPS,
+    BAROMETRIC
+}
\ No newline at end of file
diff --git a/src/main/java/dev/coph/flightscore/backend/competition/Competition.java b/src/main/java/dev/coph/flightscore/backend/competition/Competition.java
index cd6b0d8..961b286 100644
--- a/src/main/java/dev/coph/flightscore/backend/competition/Competition.java
+++ b/src/main/java/dev/coph/flightscore/backend/competition/Competition.java
@@ -25,6 +25,7 @@ public class Competition {
     private Locale country;
     private String location;
     private String website;
+    private AltitudeSource altitudeSource;
     private HashMap<String, Coordinate> commonLaunchPoints;
     private HashSet<CompetitionContact> contacts;
 
diff --git a/src/main/java/dev/coph/flightscore/backend/task/Task.java b/src/main/java/dev/coph/flightscore/backend/task/Task.java
new file mode 100644
index 0000000..f95ef2b
--- /dev/null
+++ b/src/main/java/dev/coph/flightscore/backend/task/Task.java
@@ -0,0 +1,11 @@
+package dev.coph.flightscore.backend.task;
+
+import lombok.Getter;
+import lombok.experimental.Accessors;
+
+@Getter
+@Accessors(fluent = true)
+public class Task {
+    private int taskNumber;
+
+}