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Training that adapts to the running you do

Because most running plans and apps break when life happens

Train with confidence that you’re progressing towards your goal, even when the weeks aren't perfect

7 day free trial | Available on iOS & Android

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Real progress comes from training you can stick with

Consistency over perfection

A lot of good weeks over one great workout

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Training that flexes around life

Run however makes sense for you and everything you have going on in your life

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Kaizen yellow icon

Guidance you can trust

A training load based system that keeps you improving

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Kaizen assets

kaizen keeps you moving toward your goal in a way that fits real life

Training built on your running history. Updated by the running you do.

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BASELINE FITNESS

Track your progress daily

kaizen analyses your recent running history to understand how your fitness progresses

Kaizen iphone screen

WEEKS OVER WORKOUTS

Weekly targets that build to your goal

Dynamic targets update based on the intensity of your running. Run however best fits you and your schedule.

Kaizen iphone screen

Progress over time

Always rerouting to keep you on track

When the plan changes, kaizen updates the path forward to keep you progressing responsibly

Kaizen iphone screen
Kaizen iphone screen

Flexible training

Train how best suits you

Following any training approach (or none at all) for races or to improve

Kaizen iphone screen
Kaizen iphone screen
Kaizen iphone screen

Training built on your running history. Updated by the running you do.

blue background
kaizen graphic

BASELINE FITNESS

Track your progress daily

kaizen analyses your recent running history to understand how your fitness progresses

Kaizen iphone screen

WEEKS OVER WORKOUTS

Weekly targets that build to your goal

Dynamic targets update based on the intensity of your running. Run however best fits you and your schedule.

Kaizen iphone screen

Progress over time

Always rerouting to keep you on track

When the plan changes, kaizen updates the path forward to keep you progressing responsibly

Kaizen iphone screen
Kaizen iphone screen

Flexible training

Train how best suits you

Following any training approach (or none at all) for races or to improve

Kaizen iphone screen
Kaizen iphone screen
Kaizen iphone screen

Training built on your running history. Updated by the running you do.

blue background
kaizen graphic

BASELINE FITNESS

Track your progress daily

kaizen analyses your recent running history to understand how your fitness progresses

Kaizen iphone screen

WEEKS OVER WORKOUTS

Weekly targets that build to your goal

Dynamic targets update based on the intensity of your running. Run however best fits you and your schedule.

Kaizen iphone screen

Progress over time

Always rerouting to keep you on track

When the plan changes, kaizen updates the path forward to keep you progressing responsibly

Kaizen iphone screen
Kaizen iphone screen

Flexible training

Train how best suits you

Following any training approach (or none at all) for races or to improve

Kaizen iphone screen
Kaizen iphone screen
Kaizen iphone screen

Become a better runner, the sustainable way

Start training with kaizen today

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apple store icon
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A training companion that works around your life

Busy week?

Run shorter and harder if that's all you have time for

Work or general life stress?

Run easier and longer while still moving the week and your fitness forward

Miss a run?

No stress; kaizen will revise the required load over future weeks to keep you on track

Felt good and ran harder?

Run less than planned for the remainder of the week to hit your target

No need to get weighed down by specifics

Runners love kaizen

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30k+

Runners trust Kaizen

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30k+

Runners trust Kaizen

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4.8-stars

App Store rating

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4.8-stars

App Store rating

  • Kaizen icon

    Prediction

    2:37

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    Achieved

    2:37:14

    -0 min

    Ryan Wilmott

    Ryan Wilmott

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    London Marathon '24

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    Prediction

    2:35

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    Achieved

    2:33:54

    -1 MIN

    Josh Sambrook

    Josh Sambrook

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    Hamburg Marathon '23

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    Prediction

    3:53:37

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    Achieved

    3:50:00

    -3 min

    Harry Dudley

    Harry Dudley

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    Athens Marathon '24

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    Prediction

    2:51

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    Achieved

    2:54:42

    +3 min

    Justin Hurt

    Justin Hurt

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    Auckland Marathon '24

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    Prediction

    36:10

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    Achieved

    36:10

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    Rui Nogueiro

    Rui Nogueiro

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    São Silvestre de Lisboa 10km '24

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    Prediction

    3:42:29

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    Achieved

    3:41:38

    -1 min

    Stephen Murdoch

    Stephen Murdoch

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    Amsterdam Marathon

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    Prediction

    65:09

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    Achieved

    63:42

    -87 sec

    Justin Hurt

    Jake Barraclough

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    Marugame Half Marathon '24

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    Prediction

    1:28:04

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    Achieved

    1:28:31

    +27 sec

    Justin Hurt

    Leif R

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    Barcelona Half Marathon '24

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    Prediction

    2:42:57

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    Achieved

    2:48:05

    - 5 min

    Rui Nogueiro

    Michel van den Hoven

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    Berlin Marathon 24 PB

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    Prediction

    3:07:12

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    Achieved

    3:08:27

    + 1 min

    Rui Nogueiro

    Luke McAuley

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    Berlin Marathon 24 PB

  • Kaizen team - I just want to thank you all for a fantastic job. I ran CIM yesterday at almost the exact prediction from the app, 1:39 under to be exact, which checks out considering the net loss of elevation. The confidence I will have going into my next race will be in large part to the trust in the work you all are doing here. Keep it up. Amazing work

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  • Kaizen hovered around 2:51 a week out from marathon, came in at 2:54:42 on a very windy day on quite hilly course so allowing for that I think prediction quite close and will use again for next one. Cheers!

    Francois

    Francois

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    2:54:42 Marathoner

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  • Kaizen has been a game-changer for my running! Its race time predictions from 5km to marathon distances were spot-on, giving me confidence in my goals. The ability to train using the app’s training load feature has been invaluable, helping me improve my fitness while avoiding injuries. Highly recommend it to runners of all levels!!

    Chris Powell

    Chris Powell

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    2:28:50 Marathoner

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  • Kaizen hovered around 2:51 a week out from marathon, came in at 2:54:42 on a very windy day on quite hilly course so allowing for that I think prediction quite close and will use again for next one. Cheers!

    Justin Hurt

    Justin Hurt

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    2:54:42 Marathoner

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  • This app has surprisingly become my go-to and main driver of training load to gauge and improve fitness gradually.

    Rui Nogueiro

    Rui Nogueiro

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    36:10 10km

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  • Having followed the app for my 16 week block on the road to the Amsterdam Marathon with a set goal of a 4hr 11min marathon, I successfully achieved well in advance of it with a 3hr 41min result. Absolutely delighted with it! Kaizen helped greatly in getting me in the groove and fitness to smash it!

    Stephen Murdoch

    Stephen Murdoch

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    3:41:00 Marathoner

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  • Kazien has been predicting a 3:07 for Barcelona and I ended up with 3:08 (Garmin predicted 3:21 !!). Have just used Kaizen after finding it only 5 weeks out and it’s really assisted me to have confidence in my first ever official race event. Really helped me push through and achieve a PB I have only ran 42km once before and that was 3:22.

    Stephen Murdoch

    Luke McAuley

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    3:08:27 Marathoner

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Join our Strava club

Connect, track, and improve with a community that pushes limits. Join now!

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Your go-to source for insights, stories, and expert advice on running, training, and performance.

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