Brief post to give my result from London.
not the result I was hoping for but it's my best time in 3 years.
I realised at 8-10 miles that I wasn't gonna do anywhere near 2:40, and I then ran very hard from 12miles, hoping to make some time gains, which I did, but at the expense of then blowing to bits at 21miles. I then struggled to hold onto my form and lost a lot of time in the final 3 miles.
Fuller report to come