diff --git a/benchmark/lexer/bench_big_xml_time.rb b/benchmark/lexer/bench_big_xml_time.rb
new file mode 100644
index 0000000..49bea73
--- /dev/null
+++ b/benchmark/lexer/bench_big_xml_time.rb
@@ -0,0 +1,11 @@
+require_relative '../../lib/oga'
+require 'benchmark'
+
+xml   = File.read(File.expand_path('../../fixtures/big.xml', __FILE__))
+lexer = Oga::XML::Lexer.new(xml)
+
+Benchmark.bmbm(10) do |bench|
+  bench.report '10MB of XML' do
+    lexer.advance { |tok| }
+  end
+end