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Published by kaizen
If you want to understand the levers of breakthrough running performances, kaizen founders Michael and Josh analyse training blocks of runners through a data/load lens. Featuring elites, sub-elites, creators and everyday recreational runners.
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There is no better confirmation that training works than Sam's (aka globerunnergriff) journey. He went from 125kg to a 2:22 marathon in 3 years, driven by grit and consistency. We go into his training from the early injury-riddled days of starting out, then pushing through and building up the mileage over time. NB: Sam's been a kaizen user for over a year primarily tracking progress trends, although he'd NEVER fine tuned his predictions. So whilst his progression is an accurate, the final numbers are off (which is mentioned). We dialled everything in after the recording. Sam's training is all available here: https://www.strava.com/athletes/32613852 -- kaizen Download the app: https://kaizen.app.link/milesbetter Strava club: https://www.strava.com/clubs/runkaizen Website: https://runkaizen.com/ Instagram: https://www.instagram.com/runkaizen/ Michael: https://www.strava.com/athletes/32067191 Josh: https://www.strava.com/athletes/1721750
If you want to see a pro's training and prediction data in kaizen, then check this one out. Jimmy Whelan joins us to analyse his training from his 61:37 HM debut in Valencia 2025, and also dive into the training data since then for some of his other performances on the roads in 2026. We compare the data between some of his more impressive training blocks over the past 12 months, and some of the key themes that keep popping up when he's in his best shape. Jimmy's training is all available here: https://www.strava.com/pros/3356275 -- kaizen Download the app: https://kaizen.app.link/milesbetter Strava club: https://www.strava.com/clubs/runkaizen Website: https://runkaizen.com/ Instagram: https://www.instagram.com/runkaizen/ Michael: https://www.strava.com/athletes/32067191 Josh: https://www.strava.com/athletes/1721750
A deep dive into the training and racing data behind Josh's 2:32 in London on one of the hot years, where he placed 46th. Detailed analysis into the training that went into it, including 200k+ weeks, triple days and extreme active heat training. Also some chat about sweat, both smelly and odourless. -- kaizen Download the app: https://kaizen.app.link/milesbetter Strava club: https://www.strava.com/clubs/runkaizen Website: https://runkaizen.com/ Instagram: https://www.instagram.com/runkaizen/ Michael: https://www.strava.com/athletes/32067191 Josh: https://www.strava.com/athletes/1721750
We dive deep into the data Michael's marathon PB relative to his previous best. Figuring out what led to the improved performance based on what the numbers are saying, both through the training block and race execution. -- kaizen Download the app: https://kaizen.app.link/milesbetter Strava club: https://www.strava.com/clubs/runkaizen Website: https://runkaizen.com/ Instagram: https://www.instagram.com/runkaizen/ Michael: https://www.strava.com/athletes/32067191 Josh: https://www.strava.com/athletes/1721750
Back after a month off. We dive into: recent training... eyes on Berlin the sub 2h marathon WR big feature drop in kaizen and deep dive into the systems and principles behind it listener q about maximising training load -- kaizen Download the app Strava club Website Instagram Michael Josh
Back in your earwaves after a little hiatus, and talking about: running marathons (always) some big updates coming in kaizen cross-training strength training Tune in for some hot takes on how to spend your time if you want to run fast. -- kaizen Download the app Strava club Website Instagram Michael Josh
Special series incoming covering the history of how Josh developed the training system behind Kaizen and how it's This episode goes through how it works, and how it all started, all the way back at the beginning of Josh's running journey. -- Kaizen Download the app Strava club Website Instagram Michael Josh
Michael sits down with everyone's favourite dad marathoner, Eric Floberg, fresh off a PB at his home race at the Chicago Marathon. Hear about what it's like to have people shouting your name the entire way along a marathon course, and a pretty honest appraisal of the mental game in the last 10km.
Michael and Josh dissect their performances at the unbearably hot 2025 edition of the Berlin Marathon over the weekend. Both of them well off where they wanted to be given the conditions. Josh executed brilliantly in the circumstances, posting a 2:43 with a 3-4 minute positive split, whereas Michael managed a 2:50 with a 10 minute positive split. Hear about what went wrong, and what's going to change leading into their next races at Deauville and Valencia respectively. -- Kaizen Download the app Strava club Website Instagram Michael Josh
It's race week. Josh and Michael have wrapped up their training, are tapering (perhaps too aggressively), and talk about race prep. Lots of talk about how to handle the forecasted warmer conditions, whilst Michael is struggling with managing an unexpected setback. Race plans and expectations have diverged slightly, although the weather may bring them back together come race day. -- Kaizen Download the app Strava club Website Instagram Michael Josh
2 weeks til Berlin Marathon and things are heating up. Josh and Michael have near identical race predictions. Last week's training was almost the same. It won't be sub 2:30, but the race is on... They discuss prep leading into the race from here. What the last week of training will look like, getting everything organised from kit to shoes to nutrition. -- Kaizen Download the app Strava club Website Instagram Michael Josh
Just under 3 weeks out from Berlin, and Michael's had a minor niggle. Josh's training is still on the up, although he's also had to pare it back slightly. 2 big weeks of training to go and they are neck and neck in fitness terms. Neither is full convinced of getting in 2:28 shape, but they're both keen to go head to head. After discussing training and shape, Josh gives an overview of how he manages his training on a daily basis to mitigate the risk of getting injured, whilst also Michael gives an overview of how he is proactively managing his calf niggle, with the main objective being getting to the start line healthy. -- Kaizen Download the app Strava club Website Instagram Michael Josh
After last week's downbeat recording, Josh and Michael are on the up (training, shape and vibes). Training load is increasing, and marathon predictions are improving. Josh tries to start playing mind games and goes deep on his heat training protocol. Michael is plugging away and already in PB shape with 2.5 weeks to go. -- Kaizen Download the app Strava club Website Instagram Michael Josh
Exactly 1 month til Berlin Marathon and both Josh and Michael are making big strides in training. Detailed check in on how Josh is going with gut training before Berlin on the back of his nutrition fail in Barcelona. Deeper dive on the training numbers and race predictions. Both still confident of making big gains in the next couple of weeks and giving 2:28 a red hot crack. Some more chat about sacrifices that need to be made in marathon training. Can't spin all the plates! (Sorry for the dodgy echo towards the end. Tried to fix it!) -- Kaizen Download the app Strava club Website Instagram Michael Josh
Week 2 of the Berlin Marathon series, and Josh and Michael's training is coming along. Michael still in better shape than Josh, but Josh is closing fast. A lot of talk about training, balancing work/life/family with running. Deeper dive on training zones and how they can actually be quite un-useful for your training if you're expecting specific benefits by working specific systems. Physiology is more complex than that! -- Kaizen Download the app Strava club Website Instagram Michael Josh
Season 4 kicks off with a recap of how Michael & Josh's training has been going. Michael; good, Josh; less good, but on the up. Off-brand interlude about the strength work and cross-training they've both been doing and associated risks and benefit. Sub 2:28 challenge is ON AGAIN for Berlin Marathon, so there is a shallow dive into what training is going to look like. Hard data to follow in the next episode telling each of them EXACTLY how much training they need to do leading into Berlin to be in 2:28 shape. -- Kaizen Download the app Strava club Website Instagram Michael Josh
In this episode, Michael and Josh welcome Stoddy, who shares his young journey into running, including his experiences with the Speed Project and not eating enough. The conversation delves into the importance of racing as a training tool, Stoddy's training philosophy, and his upcoming race goals. The trio discusses the balance between training and racing, the challenges of pushing oneself (sub-16 challenge for 5k), and the camaraderie found in the running community. Find Stoddy on Strava (sometimes) Chapters 00:00 Introduction to Stoddy Carey 01:59 Stoddy's Running Journey 05:42 The Speed Project Experience 11:07 Fueling for Success 16:17 Relay Races and Team Dynamics 21:12 Racing Insights and Personal Growth 24:20 Overcoming Challenges in Racing 25:40 Upcoming Races and Personal Goals 27:41 Team Dynamics in Relay Racing 30:17 Training Philosophy and Specificity 32:30 The Role of Competition in Training 35:00 Injury Management and Cross-Training 36:44 Wrapping Up and Future Plans -- Kaizen Download the app Strava club Website Instagram Michael Josh
In this special two part video episode Josh chats to Lauren before and after her 110km ultramarathon at the IATF. Part 1 takes place in the hours before the race. We chat though her plans and preparations for the longest race she's ever attepted. Part 2 takes place the day after the race, when Lauren reflects on how the rac went. We dig into what went well and what she'd do differently next time. Find Lauren on Instagram . -- Kaizen Download the app Strava club Website Instagram Michael Josh
Felt rude not to acknowledge our favourite race distance of 26.2 miles, so we've put together a special episode to celebrate the marathon. Deserves to be treated with respect. We celebrate the good, bad and ugly of our collective 40 or so marathons. Blood, sweat and tears all feature in some way throughout. Lots of lessons learnt with the myriad things that can go wrong, where the marathon has put us in our place. A few positive takeaways as well. That's why we love it, and keep coming back for more. Kaizen Download the app Strava club Website Instagram Michael Josh
We spoke with Dan Robinson, a 2:12 marathoner who ran for GB in the 2000s. His notable achievements include a bronze medal at the Melbourne 2006 Commonwealth Games marathon, top 25 at both the Athens 2004 and Beijing 2008 Olympics, a 9th in the 2007 London Marathon and an 11th and 12th place at the World Championships. Dan tells us how he got into running accidentally, his love of the treadmill, and how he educated himself on training. Very refreshing to hear from someone who — at the top of their game — trained hard, without too much emphasis on the specifics. -- Kaizen Download the app: https://kaizen.app.link/milesbetter Strava club: https://www.strava.com/clubs/runkaizen Web: https://runkaizen.com/ Instagram: https://www.instagram.com/runkaizen/ Michael: https://www.strava.com/athletes/32067191 Josh: https://www.strava.com/athletes/1721750
Ranking source
Apple Podcasts rankings via the Mato Topic Intelligence Platform.
Observed September 13, 2026. Cached outside the daily freshness window; the positions keep the date they were taken on.
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