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Mettle

Trail and ultra running coaching to help build your physical endurance and mental strength. Take your running to the next level.

Get the results that matter to you.

22/05/2026

The Eat Sleep Think lineup just got even better 💛

Emma, founder of .eu will be with us throughout the event. Because great recovery is part of the process too.

Head to recoverybalm.eu/en to discover her products before the day.

See you at the event!

Love and Mettle,
Kaz 👊

Photos: .eu

19/05/2026

Thank you to our fantastic support partners for making Eat Sleep Think possible 💛

Yoga Mountain Run
Grateful for your support. Quick shout out for their Pyrenees trip from 2nd-6th October. DM .mountain.run for an early rate available until 15 June.

Chamonix Body Therapy
Super excited for Suze and her new functional fitness classes which focus on strength, stability and alignment. To find out more follow

Les 2 Marmottes
Tea that makes you smile

Really appreciate you all!

Love and Mettle,
Kaz 👊

yoga mountain run photos by .photographer

12/05/2026

What would you choose?

Love and Mettle,
Kaz 👊

04/05/2026

This is why we do what we do. We love seeing where our athletes run long at the weekend. Thanks for the share Emilie!

Keep exploring ⛰️

Love and Mettle,
Kaz 👊

Trails: Mount Charleston, Nevada

02/05/2026

No shortcuts. No hiding. The trail shows you exactly who you are.

I built Mettle to support runners who want to explore their potential, and Wednesday night reminded me exactly why.

Great fun at Big Mountain Trail Club run, catching up with friends and making new ones.

And the raffle? Legendary status!

Thrilled to announce that Big Mountain are an Official Partner of Eat Sleep Think and two lucky winners will be at our workshop on 23 May ✨

Love and Mettle,
Kaz 👊

PS Event link in bio. Hope you can make it too!

23/04/2026

This is what a well-executed race looks like.

Coffee in a gorgeous race mug (lush race swag Traprock!) and post-run bliss with Hoka’s Recovery Slides for some foot TLC.

Janet finished Traprock 50K at the weekend. Three loops over technical terrain, and she stayed strong and steady all the way through.

In the past, Janet has had fueling issues, which we’ve been working on. Saturday she nailed it!

Consistent energy, dialled hydration and electrolytes on point, which is all great practice for the bigger races she has ahead.

Way to go Janet! 🔥

Love and Mettle,
Kaz 👊

PS Still guessing your race-day nutrition? Let’s fix that at Eat Sleep Think, Chamonix. Link in bio ⬆️

16/02/2026

Winter training from Rhode Island, Malta and Chamonix.

1. Rhode Island: Beach path buried in deep snow

2. Malta coastline: Epic wind delivering Sahara sand

3. Chamonix: Balcon Sud with an avalanche on the trail

Thank you for sharing your trails with us Janet, Nadia and Jean-François 🙏

Love and Mettle,
Kaz 👊

11/02/2026

Congratulations to James who won his age group in Hegra 100K, Saudi Arabia recently.

The real story happened at 21K.

James felt nauseous and was then very sick. The kind of moment where races can quietly fall apart.

Instead of reacting emotionally, he slowed down, thought clearly, took a little longer at the next aid station, and made deliberate decisions that allowed him to reset.

Calm is a performance skill.

By 70K he felt strong again and was able to push, moving confidently through a spectacular course.

Regrouping during a race is a strategy. One calm decision can save your race.

Great work James! 🙌

Love and Mettle,
Kaz 👊

12/01/2026

Wrapped up for a wild, windy dawn patrol run.

This is staying in it.

Great work, Nadia 👊

Wishing you all an awesome week,
Kaz :)

08/01/2026

UTMB registrations open today for UTMB, CCC, OCC, MCC (local runners) and ETC ✨

Good luck to everyone dreaming of this finish line.

Love and Mettle,
Kaz 🙌

Adresse

Chamonix
74400

Site Web

http://www.mettlerunning.com/

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