diff --git a/src/main/java/de/dennisguse/opentracks/data/models/ActivityType.java b/src/main/java/de/dennisguse/opentracks/data/models/ActivityType.java
index cfa6e606c..d7edeba0b 100644
--- a/src/main/java/de/dennisguse/opentracks/data/models/ActivityType.java
+++ b/src/main/java/de/dennisguse/opentracks/data/models/ActivityType.java
@@ -30,6 +30,7 @@ public enum ActivityType {
     FERRY("ferry", R.string.activity_type_ferry, R.drawable.ic_activity_boat_24dp, true),
     FRISBEE("frisbee", R.string.activity_type_frisbee, ActivityIcon.ICON_UNKNOWN, true),
     GLIDING("gliding", R.string.activity_type_gliding, ActivityIcon.ICON_UNKNOWN, true),
+    GRAVEL_BIKING("gravel biking", R.string.activity_type_biking, R.drawable.ic_activity_bike_24dp, true),
     HANG_GLIDING("hang gliding", R.string.activity_type_hang_gliding, ActivityIcon.ICON_UNKNOWN, true),
     HELICOPTER("helicopter", R.string.activity_type_helicopter, ActivityIcon.ICON_UNKNOWN, true),
     HIKING("hiking", R.string.activity_type_hiking, R.drawable.ic_activity_walk_24dp, false),
diff --git a/src/main/res/values/strings.xml b/src/main/res/values/strings.xml
index af6b17cb6..ac890d2c5 100644
--- a/src/main/res/values/strings.xml
+++ b/src/main/res/values/strings.xml
@@ -83,6 +83,7 @@ limitations under the License.
     <string name="activity_type_airplane">airplane</string>
     <string name="activity_type_atv">ATV</string>
     <string name="activity_type_biking">biking</string>
+    <string name="activity_type_gravel_biking">gravel biking</string>
     <string name="activity_type_blimp">blimp</string>
     <string name="activity_type_boat">boat</string>
     <string name="activity_type_climbing">climbing</string>