diff --git a/benchmark/lexer/bench_big_xml_average.rb b/benchmark/lexer/bench_big_xml_average.rb
new file mode 100644
index 0000000..4b1360b
--- /dev/null
+++ b/benchmark/lexer/bench_big_xml_average.rb
@@ -0,0 +1,22 @@
+require_relative '../../lib/oga'
+require 'benchmark'
+
+xml     = File.read(File.expand_path('../../fixtures/big.xml', __FILE__))
+amount  = 10
+timings = []
+
+amount.times do |i|
+  timing = Benchmark.measure do
+    Oga::XML::Lexer.new(xml).advance { }
+  end
+
+  puts "Iteration #{i + 1}: #{timing.real.round(3)}"
+
+  timings << timing.real
+end
+
+average = timings.inject(:+) / amount
+
+puts
+puts "Iterations: #{amount}"
+puts "Average:    #{average.round(3)} sec"