my cardio routine currently everyday is just over 30mins on a treadmill
i do 7km, record time set today was 30.54 (going down everyday near enough)
Based on a 7 kilometers race at 00:30:54, your pace is:
7:06 Pace per mile
8.45 Miles/hour
4:25 Pace per kilometer
13.59 Kilometers/hour
3.78...