diff --git a/app/schemas/subscriptions/misc.coffee b/app/schemas/subscriptions/misc.coffee
index 87ff86cac..439464851 100644
--- a/app/schemas/subscriptions/misc.coffee
+++ b/app/schemas/subscriptions/misc.coffee
@@ -9,6 +9,9 @@ module.exports =
   'note-group-ended':
     {} # TODO schema
 
+  'modal-opened':
+    {} # TODO schema
+
   'modal-closed':
     {} # TODO schema
 
diff --git a/app/views/kinds/CocoView.coffee b/app/views/kinds/CocoView.coffee
index 21b432dd7..264e3539c 100644
--- a/app/views/kinds/CocoView.coffee
+++ b/app/views/kinds/CocoView.coffee
@@ -177,6 +177,7 @@ module.exports = class CocoView extends Backbone.View
     $('#modal-wrapper .modal').modal(modalOptions).on 'hidden.bs.modal', @modalClosed
     window.currentModal = modalView
     @getRootView().stopListeningToShortcuts(true)
+    Backbone.Mediator.publish 'modal-opened', {}
 
   modalClosed: =>
     visibleModal.willDisappear() if visibleModal
@@ -190,7 +191,7 @@ module.exports = class CocoView extends Backbone.View
       @openModalView(wm)
     else
       @getRootView().listenToShortcuts(true)
-      Backbone.Mediator.publish 'modal-closed'
+      Backbone.Mediator.publish 'modal-closed', {}
 
   # Loading RootViews
 
diff --git a/app/views/play/level_view.coffee b/app/views/play/level_view.coffee
index 70a93f6b2..e2669b2b0 100644
--- a/app/views/play/level_view.coffee
+++ b/app/views/play/level_view.coffee
@@ -138,7 +138,13 @@ module.exports = class PlayLevelView extends View
       supermodel: @supermodel
       firstOnly: true
     @openModalView(new DocsModal(options), true)
-    Backbone.Mediator.subscribeOnce 'modal-closed', @onLevelStarted, @
+    onGuideOpened = ->
+      @guideOpenTime = new Date()
+    onGuideClosed = ->
+      application.tracker?.trackTiming new Date() - @guideOpenTime, 'Intro Guide Time', @levelID, @levelID, 100
+      @onLevelStarted()
+    Backbone.Mediator.subscribeOnce 'modal-opened', onGuideOpened, @
+    Backbone.Mediator.subscribeOnce 'modal-closed', onGuideClosed, @
     return true
 
   getRenderData: ->