diff --git a/event/builder_test.go b/event/builder_test.go
index 4d3677a..418554e 100644
--- a/event/builder_test.go
+++ b/event/builder_test.go
@@ -128,3 +128,26 @@
 		b1.Log("msg2")
 	})
 }
+
+func BenchmarkBuildContext(b *testing.B) {
+	// How long does it take to deliver an event from a nested context?
+	for _, depth := range []int{1, 5, 7, 10} {
+		b.Run(fmt.Sprintf("depth %d", depth), func(b *testing.B) {
+			ctx := event.WithExporter(context.Background(), event.NewExporter(event.NopHandler{}, nil))
+			for i := 0; i < depth; i++ {
+				ctx = context.WithValue(ctx, i, i)
+			}
+			b.Run("direct", func(b *testing.B) {
+				for i := 0; i < b.N; i++ {
+					event.To(ctx).With(event.Name.Of("foo")).Metric()
+				}
+			})
+			b.Run("cloned", func(b *testing.B) {
+				bu := event.To(ctx)
+				for i := 0; i < b.N; i++ {
+					bu.Clone().With(event.Name.Of("foo")).Metric()
+				}
+			})
+		})
+	}
+}