Running at 90 Degree

I asked myself why I should run at mile 3 and 4.
A little bit easier after that since it's cooler after
that. But it is not not that bad after the splits:

Split	Time	Distance	Avg Pace
Summary	57:39.3	6.28	9:11
1	8:42.1	1.00	8:42
2	8:42.0	1.00	8:42
3	9:11.7	1.00	9:12
4	10:10.9	1.00	10:11
5	9:27.9	1.00	9:28
6	8:52.3	1.00	8:52
7	2:32.5	0.28	9:08