Recently published by Steve King and Dan Cumming, with an article in it by Moe The Eagle.

Twenty-six runners ranging in age from 46 to 76 share their secrets, motivations and experiences in the fields of running. All are active runners and many presently hold world age-class records. Some have held world records and have achieved world level performances at the Olympics, Commonwealth and European games. But, Running in the Zone isn’t about super achievement, it is about getting the most out the running experience regardless of age or even ability.                  RUNNING IN THE ZONE

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