April Fool's splits

The numbers tell of a not so flat course. And also of perhaps a slight loss of focus from 15k-17k.

4:23
3:49
3:58
4:18
4:36

5k in 21:06

4:24
4:39
4:04
3:56
4:30

10k in 42:38

4:21
4:19
4:19
4:16
4:48

5:04
4:47
4:17
3:54
3:58
4:41 for the final 1.2k

I was third in the 45-49 age group which is cool given that I'm about to age up. However, I shouldn't rush as I would have been fourth in the 50-54 age group today. Sheesh.