Some 1M bursts

9M fast and slow
8M alternating 1M fast (5.10-5.20min/M) and 1M slow (7.30min/M)
1M warm up and warm down

This is a new session from Ron. It was quite fun. Having to get up early after a late night was the worst bit.

I started off aiming for 5.15-5.20, but managed a 5.10 on my last one despite some hill. I'll aim for 5.10 or faster for all 4 next time. 2hr20 marathon pace is just over 5.20min/M (this year I averaged 5.48). I have plenty of training ahead of me.