Episode Details

Same heart rate. Two minutes a mile faster. Twenty-two weeks apart. This is what a real marathon training breakthrough looks like when you stop chasing paces and start training the engine. If your watch keeps showing you the same paces no matter how hard your heart is working — this marathon training breakthrough is for you.

📞 Serious about a real breakthrough? Book a coaching match call with Lee: https://coaching.allin.run/same-hr-2min 

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⏱ CHAPTERS

0:00 Same Heart Rate, Two Minutes a Mile Faster
0:48 Where He Actually Started
1:50 Train the Engine, Not the Paces
2:55 The Two Efforts That Decide a Marathon
3:25 Why Easy Days Are Too Fast for Most Runners
4:25 Race Day Where Most Marathon Blocks Fall Apart
5:30 How He Negative Split the Marathon
6:38 Coaching Match Call With Lee
7:00 Why Reasonable Goals Are the Wrong Target

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📺 WATCH NEXT

▶ Half Marathon Tune-Up for Sub-3 Marathon: Best Workout or Biggest Mistake?
https://youtu.be/BsbtfWqlui0

▶ Most Runners Get Zone 2 Wrong Without Realizing
https://youtu.be/oUnyfAN21fk

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ABOUT THIS MARATHON TRAINING BREAKTHROUGH

How one coached runner took 56 minutes off his marathon PB in 22 weeks — same heart rate, two minutes a mile faster. He's not a genetic freak. He's a busy man with a demanding job, a young family and another baby on the way, who started on about four hours of training a week and finally had a plan that fit his life.

Like most runners, he had the engine of an athlete and the pacing of a beginner: easy runs too fast, hard runs never hard enough, every day stuck in the same grey zone. The fix wasn't a secret workout. It was heart-rate training that respects what the body is actually doing, the two efforts that decide every marathon trained properly, and the discipline to repeat an unglamorous week until the paces came down on their own.

2:21 marathoner and UK 100km Champion Lee Grantham — the coach behind All In — breaks down exactly how it happened: why heart rate tells the truth when pace lies, why your easy days are probably too fast, how the two efforts that decide a marathon need to be trained, and how race-day pacing turns a marathon from survival into a negative split.

Along the way the runner also hit a half marathon PB and a 10-mile PB — the marathon training plan was producing breakthroughs across distances. These are the marathon running tips and structural principles that produce every real marathon training breakthrough — same heart rate, two minutes a mile faster.

If you want to know how to run a marathon at your true potential — chasing a sub-3 marathon, a Boston Qualifier (BQ) marathon, a sub-3:30 marathon goal, or breaking through a marathon plateau — heart rate training and the right marathon training plan matter more than mileage volume. Train the engine, not the watch. Make easy days truly easy. Make hard days specific. Repeat the unglamorous week after week. The numbers come down as a byproduct.

Same heart rate. Two minutes a mile faster. Twenty-two weeks apart.

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ABOUT LEE GRANTHAM — MARATHON RUNNING COACH

Marathon coach, UK 100km Champion, 2:21 marathoner, with 18 marathon wins and course records at Pico Veleta 50km (×2), Doi Inthanon 50km and Doñana Trail 71km. Represented England and Great Britain at international level.

Lee coaches a small group of serious amateur runners chasing real breakthroughs — sub-3 marathons, BQ qualifications, sub-40 10Ks and ultra-distance goals. New coaching spots open by application only.

🌐 All In Coaching: https://allin.r