But when we compare similar courses , ( 7 of the events ) , the difference is 13 seconds per race .
Note : So far , at the 5K , 2012 has been 23 seconds faster ( per race ) than 2013 .
When we compare similar courses , ( 7 of the events ) , the difference is 13 seconds per race .
Note : So far , at the 5K , 2012 has been 23 seconds faster ( per race ) than 2013 .