diff --git a/examples/testbed/framework/model.cpp b/examples/testbed/framework/model.cpp
index df3357d..df07d7f 100644
--- a/examples/testbed/framework/model.cpp
+++ b/examples/testbed/framework/model.cpp
@@ -26,7 +26,7 @@ Model::Model()
 	g_draw = &m_draw;
 	g_camera = &m_camera;
 	g_profiler = &m_profiler;
-	g_profilerRecorder = &m_profilerListener.m_recorderProfiler;
+	g_profilerRecorder = &m_profilerListener.m_recorderListener;
 	g_profilerListener = &m_profilerListener;
 
 	m_test = nullptr;
diff --git a/examples/testbed/framework/profiler.cpp b/examples/testbed/framework/profiler.cpp
index 296db7f..3678fe9 100644
--- a/examples/testbed/framework/profiler.cpp
+++ b/examples/testbed/framework/profiler.cpp
@@ -81,8 +81,6 @@ void Profiler::End()
 			listener->BeginEvent(e.name, e.t0);
 
 			listener->EndEvent(e.name, e.t1);
-
-			listener->Duration(e.name, e.t1 - e.t0);
 		}
 	}
 
diff --git a/examples/testbed/framework/profiler.h b/examples/testbed/framework/profiler.h
index aa18bba..6189092 100644
--- a/examples/testbed/framework/profiler.h
+++ b/examples/testbed/framework/profiler.h
@@ -92,14 +92,6 @@ public:
 		B3_NOT_USED(name);
 		B3_NOT_USED(time);
 	}
-
-	// This function is called when a profiler event ends.
-	// However it supplies the duration of the last begin and end events.
-	virtual void Duration(const char* name, float64 duration)
-	{
-		B3_NOT_USED(name);
-		B3_NOT_USED(duration);
-	}
 };
 
 extern ProfilerListener* g_profilerListener;
diff --git a/examples/testbed/framework/recorder_profiler.cpp b/examples/testbed/framework/recorder_profiler.cpp
index d597a49..016dbf0 100644
--- a/examples/testbed/framework/recorder_profiler.cpp
+++ b/examples/testbed/framework/recorder_profiler.cpp
@@ -61,27 +61,35 @@ ProfilerRecord* RecorderProfiler::FindRecord(const char* name)
 	return nullptr;
 }
 
-void RecorderProfiler::Add(const char* name, float64 elapsedTime)
+void RecorderProfiler::BeginEvent(const char* name, float64 time)
 {
-	B3_ASSERT(elapsedTime >= 0.0);
-
 	++m_call;
-
+	
 	ProfilerRecord* fr = FindRecord(name);
 	if (fr)
 	{
-		fr->elapsed += elapsedTime;
-		fr->maxElapsed = b3Max(fr->maxElapsed, elapsedTime);
+		fr->time = time;
 		fr->call = m_call;
-
 		return;
 	}
 
 	ProfilerRecord r;
 	r.name = name;
-	r.elapsed = elapsedTime;
-	r.maxElapsed = elapsedTime;
+	r.time = time;
+	r.elapsed = 0.0;
+	r.maxElapsed = 0.0;
 	r.call = m_call;
 
 	m_records.PushBack(r);
+}
+
+void RecorderProfiler::EndEvent(const char* name, float64 time)
+{
+	ProfilerRecord* fr = FindRecord(name);
+	B3_ASSERT(fr != nullptr);
+
+	float64 elapsedTime = time - fr->time;
+
+	fr->elapsed += elapsedTime;
+	fr->maxElapsed = b3Max(fr->maxElapsed, elapsedTime);
 }
\ No newline at end of file
diff --git a/examples/testbed/framework/recorder_profiler.h b/examples/testbed/framework/recorder_profiler.h
index c623851..f7b1fde 100644
--- a/examples/testbed/framework/recorder_profiler.h
+++ b/examples/testbed/framework/recorder_profiler.h
@@ -26,6 +26,7 @@
 struct ProfilerRecord
 {
 	const char* name;
+	float64 time;
 	float64 elapsed;
 	float64 maxElapsed;
 	u32 call;
@@ -41,7 +42,9 @@ public:
 
 	void EndEvents();
 
-	void Add(const char* name, float64 elapsedTime);
+	void BeginEvent(const char* name, float64 time);
+	
+	void EndEvent(const char* name, float64 time);
 
 	ProfilerRecord* FindRecord(const char* name);
 
diff --git a/examples/testbed/framework/testbed_listener.h b/examples/testbed/framework/testbed_listener.h
index 847b700..9545384 100644
--- a/examples/testbed/framework/testbed_listener.h
+++ b/examples/testbed/framework/testbed_listener.h
@@ -36,7 +36,7 @@ class TestbedListener : public ProfilerListener
 public:
 	void BeginEvents() override
 	{
-		m_recorderProfiler.BeginEvents();
+		m_recorderListener.BeginEvents();
 
 #if (PROFILE_JSON == 1)
 		m_jsonListener.BeginEvents();
@@ -46,7 +46,7 @@ public:
 
 	void EndEvents() override
 	{
-		m_recorderProfiler.EndEvents();
+		m_recorderListener.EndEvents();
 
 #if (PROFILE_JSON == 1)
 		m_jsonListener.EndEvents();
@@ -56,6 +56,8 @@ public:
 
 	void BeginEvent(const char* name, float64 time) override
 	{
+		m_recorderListener.BeginEvent(name, time);
+
 #if (PROFILE_JSON == 1)
 		m_jsonListener.BeginEvent(name, time);
 #endif
@@ -63,18 +65,14 @@ public:
 
 	void EndEvent(const char* name, float64 time) override
 	{
+		m_recorderListener.EndEvent(name, time);
+
 #if (PROFILE_JSON == 1)
 		m_jsonListener.EndEvent(name, time);
 #endif
-
 	}
 
-	void Duration(const char* name, float64 duration) override
-	{
-		m_recorderProfiler.Add(name, duration);
-	}
-
-	RecorderProfiler m_recorderProfiler;
+	RecorderProfiler m_recorderListener;
 
 #if (PROFILE_JSON == 1)
 	JsonProfiler m_jsonListener;