The 2020 festival is cancelled due to the health pandemic but
we are planning an exciting Live Online Special 2020 Edition, stay tuned!

Since 2018
The festival is designed with passion for trail runners around the globe!

The 3rd Annual Festival is canceled due to the health pandemic
but we are planning a Live Online 2020 Special Edition

Stay tuned for some very exciting news!
Fuel your mountain running with excitement!

Get inspired!


ChloëSqaureBW.jpg Chloë Lanthier, Festival founder & director
Chloë is an elite mountain endurance athlete and has been competing Trail & Ultra’s on an international platform for the past 3 decades. She is a former mountain bike world champion, and a keen ski mountaineer. She is a sport medicine consultant specializing in sport injuries, biomechanics and human performance. An author, speaker, coach, race director and the founder of the Chamonix Mountain Endurance Academy. Sharing her passion, experience and knowledge is an integral part of her life. Canadian she lives full time in Chamonix.

Friday evening 18h30 – 21h00 /  Park Hotel Suisse & Spa
Intro & registration
Panel with Chloë and our Guest Speakers: Tim Tollefson, Vincent Delebarre and Jonathan Bracey.
Followed with Q&A
20:00 walk to Moö Bar for a social Apéro

Saturday 08H30 – 16h00 and night run
Social run with the Team!
Visit and presentation at the Chamonix Helicopter Base in les Bois, meet pilots & rescue team that do first hand mountain rescue, Q&A
Prehab exercises & land training drills
Running is technical! Q&A
Lunch at Planards restaurant
Workshop 1 & 2 : Chloë & Vincent
Workshops 3 & 4: Kaz & Jonathan
A bit of trail time
Injury Prevention & Taping Clinic
EVENING RUN: Skill-up with headlamps and poles, Black Diamond demo’s available

Sunday 09h00 – 13h00+ / Les Planards
Fueling & hydration for performance
Vertical session
Fun Relay Race and many surprises!
Lunch and closing party at les Planards
IMPORTANT: You do not need to attend the full fest to take part!

Running is technical!
Vertical training
High mountain skills for running at altitude, on glaciers and equipment needed
Fueling & hydration for performance and greater recovery
Prehab exercises & land training drills
Training and racing tips plus strategies to achieve your goals
Understanding running injuries, prevention and secret tips
Taping, and feet & ankle care
Training your ultra mindset, access your hidden potential
Using poles efficiently: when and how
Mountain rescue & safety with Pilots and rescue team of the Chamonix Gendarmerie Helicoptère

Hands-on learning with professional athletes, coaches and qualified mountain guides
Ten educational clinics to pick from
Apéro at Moö Bar Friday evening
Two Lunches at les Planards restaurant
Visit at the DZ Helico Gendarmerie de Chamonix in les Bois, meet pilots & rescue team
Ankle kit
Ton’s of secret tips
Great inspiration
… and a Goodie Bag!

Follow us on Instagram: @chx_mountainenduranceacademy

Find Festival testimonials at the bottom of this page
For more info
  contact us !


2019 sponsorship support:
GOLD Sponsors:

x-training_cmyk.jpg      LOGO_FLORIA_400x400       MB KF logo (Trello)Decathlon.logo


SILVER Sponsors:




BRONZE Sponsors:

logo sanglard 11.jpg   blue_airport_transfer130618 - sml    Screen Shot 2018-07-19 at 6.27.57 PM      Patron Logo


Technical partners:

Print        LYOFOOD logo-black(1).pdf      Decathlon.logo      logo_large    MOOlogoOrange_01

Partnership in support:

         cham_logo_cobranding JPG       PLANARDSLOGO       HelicoChamWEB

The FESTIVAL WOULD NOT BE POSSIBLE without the generous support of our friends, partners and sponsors, they give us the opportunity to offer a  quality, innovative and free event to the Chamonix community, a special thanks to you all!

‘Big Thank you to Chloë and Tim for sharing with enthusiasm and smile a wealth of experience and running & nutritional advice but more so for organizing the festival that was so much fun and felt like everyone just bonded, it was special and just flowed! Thanks for a GREAT memorable time.
Matthew Allen UK

When you put together the experience of Chloë Lanthier and Tim Tollefson, an amazing energy is generated for all of us who enjoy trail running.’
Carlos Pastén / Solo running, Chili

‘Thank you Chloë for all your hard work in putting it together for us. It was an awesome festival, super educational experience. You are a superstar!’
Nancy Jiang New Zealand, 5th OCC / 2nd Mont Blanc Marathon Vertical

‘The weekend was so FUN, enriches the knowledge, connecting between different people all over the world with one but very BIG passion-running 🙂 Chloë is really professional and know how to explain and teach people.
Romen Aimaro Israel

‘Great job Chloë,  an amazing festival with great clinics, so much excellent information, and always with a smile.’

Dre Dillon USA

‘Chloë as a great delivery, very knowledgeable and a fun way of teaching! It was certainly educational which is what I like. Tim was very humble and approachable with very down to earth advice. I felt privileged to be there!’
Chris Wright

‘Thank you for putting together such a great trail running information day! I thought the mountain safety piece was really great – such a good reminder to all of us of what to do (and not do!). I’ll start implementing some of the drills you gave us when we get home!’
Emily Edwards

‘J’ai adoré le festival, j’ai appris beaucoup de choses et j’ai rencontré des gens super sympa. Merci c’était genial!’
Philippe Plantié Chamonix, President CMBM

‘From start to finish I enjoyed every moment and the order and timings were spot on. I can easily say that the weekend was rounded off with the best party I’ve attended, what made it special was the people; a love of trail running, the mountains and a willingness to learn. Thank you for taking the time and effort to put this event on.’
Paul Burton

‘Great weekend. And totally inspiring! Thank you!
David Collett

‘Thanks Chloe! It was a fun day and I learned loads. It’s made me want to get out and train more effectively and sign up for more races. You’ve given me back the joy of running that I’d kind of lost over the summer 🙂 Thanks again!

Claudia Campbell

‘Found the Friday eve presentations super interesting, inspiring and motivating, thank you so very much!’
Sebastien Gallie Geneva