This week's guest needs no introduction to Deena - he's her coach, her husband, and now a Boston Marathon qualifier after an admirable performance in LA.

It's a joy to catch up with Coach Kastor fresh from his 3 hour and 13 minute run as he shares the unique experience of coaching himself, his best recovery tips, and how to prepare your training cycle for a marathon far into the future.

Elsewhere in the show we spotlight a stacked field for the upcoming London Marathon, and in Training Talk we guide you through the do's and don'ts of the final phase of your training.

In this episode of Marathon Talk:

• 0:45 - Deena and Martin catch up on the last two weeks, from the LA Marathon and speaking at UCLA, to Martin's Purbeck Loop and a sweary sheep-herding story, plus coverage of a staggering new World Record

• 9:50 - We bring the latest on a London Marathon field that's absolutely stacked with elite runners, and a men's lineup which will bring us a first-time champion

• 20:00 - Training Talk this week focuses on the do's and don'ts in the late stages of prep, why 'less is best' at this point, and the unexpected power of doing a 'kit lay'

• 29:10 - Deena's coach and husband, Andrew Kastor, takes us through his recent LA Marathon experience, how he coaches himself through races, his top recovery advice, and how to build a training schedule to target a marathon 12 months out

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