I increased the speed for the 15 miles , which was done at 17mph - 18mph , I did n't want to increase it because of the calf .
I often find myself creeping just over the target speed anyway and feeling the need to go faster .
I increased the speed for the 15 miles , which was done at 17mph - 18mph , I did n't want to increase it because of the calf , but I often find myself creeping just over the target speed anyway and feeling the need to go faster .