diff --git a/devtimer.py b/devtimer.py
index f1b9d81..60c489e 100755
--- a/devtimer.py
+++ b/devtimer.py
@@ -79,7 +79,6 @@
 DIM_BY=0             # How much are we currently dimming
 FARENHEIGHT=0        # Will be populated with segment pattern for "F"
 OUTOFRANGE = False   # Flag for compensating profiles when temp is out of range
-RUNNING = False      # Whether or not to run the timer
 
 
 #####
@@ -229,7 +228,6 @@
 # Callback when footswitch is pressed
 
 def footsw_pressed():
-    global RUNNING
 
     # Mask interrupts during debounce window
 
@@ -239,11 +237,11 @@
 
         # Reflect changed state and current time
 
-        RUNNING = not RUNNING
+        run_timer.RUNNING = not run_timer.RUNNING
         footsw_pressed.lastISR = time()
 
     if DEBUG:
-        print("Running State: %s" % RUNNING)
+        print("Running State: %s" % run_timer.RUNNING)
 
 
 # Check to see if footswitch got pressed
@@ -341,6 +339,59 @@
 
 
 #####
+# Core Timer Logic
+#####
+
+def run_timer():
+
+    # Start timing, using the selected profile and measured temperature
+
+    elapsed_time = 0
+    compensation_factor = 1
+
+    while True:
+
+        # Beep periodically
+
+        if run_timer.RUNNING and not elapsed_time % BEEP_INTERVAL:
+            Thread(name="Beep", target=beep, args=[1, 0.8]).start()
+
+        if DEBUG:
+            last = time()
+
+        # If we're not running, don't update elapsed time
+
+        if not run_timer.RUNNING:
+            elapsed_time = 0
+
+        # Update the time display
+
+        Thread(name="Timer", target=show_elapsed, args=(time_led, elapsed_time)).start()
+
+        # For temperatures in-range, look up the compensating factor
+
+        OUTOFRANGE = False
+        if (CURRENT_PROFILE == REALTIME):
+            compensation_factor = 1   # Realtime requires no compensation
+
+        elif TEMP_LOW <= CURRENT_TEMP <= TEMP_HIGH:
+            compensation_factor = compensate[CURRENT_PROFILE][CURRENT_TEMP-TEMP_LOW]
+
+        # Temperature is out of range for our correction table
+        # This implictly uses the last known compensation factor so we can keep running
+
+        else:
+            OUTOFRANGE = True
+
+        sleep(compensation_factor - CALIBRATION_OFFSET)
+        elapsed_time += 1
+        elapsed_time %= 6000
+
+        if DEBUG:
+           print("Elapsed Time: %s Current Temp: %s Factor: %s Inter-update Time: %s" % (elapsed_time, CURRENT_TEMP, compensation_factor, str(time()-last)))
+
+
+#####
 # Program entry point
 #####
 
@@ -397,48 +448,7 @@
 
     Thread(name="MonitorFootSW", target=footsw_monitor).start()
 
-    # Start timing, using the selected profile and measured temperature
+    # Start the timer thread
 
-    elapsed_time = 0
-    compensation_factor = 1
-
-    while True:
-
-        # Beep periodically
-
-        if RUNNING and not elapsed_time % BEEP_INTERVAL:
-            Thread(name="Beep", target=beep, args=[1, 0.8]).start()
-
-        if DEBUG:
-            last = time()
-
-        # If we're not running, don't update elapsed time
-
-        if not RUNNING:
-            elapsed_time = 0
-
-        # Update the time display
-
-        Thread(name="Timer", target=show_elapsed, args=(time_led, elapsed_time)).start()
-
-        # For temperatures in-range, look up the compensating factor
-
-        OUTOFRANGE = False
-        if (CURRENT_PROFILE == REALTIME):
-            compensation_factor = 1   # Realtime requires no compensation
-
-        elif TEMP_LOW <= CURRENT_TEMP <= TEMP_HIGH:
-            compensation_factor = compensate[CURRENT_PROFILE][CURRENT_TEMP-TEMP_LOW]
-
-        # Temperature is out of range for our correction table
-        # This implictly uses the last known compensation factor so we can keep running
-
-        else:
-            OUTOFRANGE = True
-
-        sleep(compensation_factor - CALIBRATION_OFFSET)
-        elapsed_time += 1
-        elapsed_time %= 6000
-
-        if DEBUG:
-           print("Current Temp: %s Factor: %s Inter-update Time: %s" % (CURRENT_TEMP, compensation_factor, str(time()-last)))
+    run_timer.RUNNING = False      # Whether or not to run the timer
+    Thread(name="RunTimer", target=run_timer).start()