diff --git a/external-latency.rkt b/external-latency.rkt
index 35bb845..6ffd12d 100644
--- a/external-latency.rkt
+++ b/external-latency.rkt
@@ -21,6 +21,7 @@
 	      ["--erlang" "use erlang server" (set! server-variation 'erlang)]
 	      ["--uv" "use libuv server" (set! server-variation 'uv)]
 	      ["--minimart" "use minimart server" (set! server-variation 'minimart)]
+	      ["--racket" "use plain racket server" (set! server-variation 'racket)]
 	      ["--other" name "use other server" (set! server-variation name)])
 
 (when (not server-variation)
@@ -52,6 +53,10 @@
       (format "racket echo-server.rkt --logbook-entry-name ~a --logbook-entry-type ~a"
 	      entry-name
 	      entry-type)]
+     ['racket
+      (format "racket plain-racket-server.rkt --logbook-entry-name ~a --logbook-entry-type ~a"
+	      entry-name
+	      entry-type)]
      ['erlang
       (define erlang-version-command
 	"erl -noshell -eval 'io:format(erlang:system_info(otp_release)), halt().'")
diff --git a/plain-racket-server.rkt b/plain-racket-server.rkt
new file mode 100644
index 0000000..7d2e1f4
--- /dev/null
+++ b/plain-racket-server.rkt
@@ -0,0 +1,70 @@
+#lang racket/base
+
+(require racket/match)
+(require racket/tcp)
+(require racket/port)
+(require logbook)
+(require racket/cmdline)
+
+(define server-entry-name #f)
+(define server-entry-type #f)
+
+(command-line #:program "plain-racket-server.rkt"
+	      #:once-each
+	      ["--logbook-entry-name" name
+	       "set logbook entry name to use when recording run statistics"
+	       (set! server-entry-name name)]
+	      ["--logbook-entry-type" type
+	       "set logbook entry type to use"
+	       (set! server-entry-type type)])
+
+(when (not server-entry-type)
+  (error 'plain-racket-server "Please supply the --logbook-entry-type command-line argument."))
+
+(define L (default-logbook))
+(define E (logbook-entry L "minimart" server-entry-name server-entry-type))
+(define Tmem (logbook-table E "server-memory-use" #:column-spec '(time-seconds memory-use)))
+(define Tconn (logbook-table E "server-connections" #:column-spec '(time-seconds connection-count)))
+
+(define connection-count 0)
+(define first-connection-seen? #f)
+
+(define statistics-poll-interval 2000)
+
+(void (thread
+       (lambda ()
+	 (let loop ()
+	   (sleep (/ statistics-poll-interval 1000.0))
+	   (printf "~a connections\n" connection-count)
+	   (flush-output)
+	   (define now (current-inexact-milliseconds))
+	   (write-logbook-datum! Tmem (list (/ now 1000.0) (current-memory-use)))
+	   (write-logbook-datum! Tconn (list (/ now 1000.0) connection-count))
+	   (when (and first-connection-seen? (zero? connection-count))
+	     (exit 0))
+	   (loop)))))
+
+(define (connection in out)
+  (set! connection-count (+ connection-count 1))
+  (set! first-connection-seen? #t)
+  (thread
+   (lambda ()
+     (let loop ()
+       (match (read-line in 'any)
+	 [(? eof-object?)
+	  (close-input-port in)
+	  (close-output-port out)
+	  (set! connection-count (- connection-count 1))]
+	 [line
+	  (fprintf out "~a\n" line)
+	  (flush-output out)
+	  (loop)])))))
+
+(define (listener port-number)
+  (define s (tcp-listen port-number 4 #t))
+  (let loop ()
+    (define-values (in out) (tcp-accept s))
+    (connection in out)
+    (loop)))
+
+(listener 5999)