Greg Howes running

G.I.Holmes

Runner · Coach · Author

British marathon runner living in Japan, sharing the lessons learned from nearly three decades of sub-3 hour marathon running.

Hi! I'm Greg Howes, but I write as G. I. Holmes. I'm passionate about helping runners over 40 continue improving, train smarter, and achieve ambitious goals.

The Marathon: Sub-3 for Busy People Over 40

A practical guide for experienced runners who want to keep getting faster beyond their 40s.

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Why listen to me?

I have spent decades chasing marathon goals while balancing work, family, and life. My aim is to share realistic training ideas that work for busy runners.

I have a have free PDF that you can download, 10 Things I Wish I Had Known in my 20s About Running in my 40s.