Was dreading going up from 5m to 8m on this run. For some reason I was a bit out of sorts in R1 (too much to drink the night before?), and found myself getting out of breath at the end of each 5m segment (though I didn't stop running. Then today, the hottest of the year so far I wondered how I'd survive. I waited till 9pm so the temperature dropped to a "mere" 28C, and found it actually quite enjoyable. Half way through the 5m walk in the middle I felt ready to start running again.
Onwards and upwards to a 20m segment next run. Yikes!