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Challenge yourself to a unique ADVENTURE

Crossing the vast desert from the Grand Canyon,

one of the Seven Natural Wonders of the World

You’ll discover new strengths and lifelong friends

running in the remotest part of America.

The Grand to Grand Ultra -

a legendary feat of endurance

Are YOU up for it?

watch full video

G2G Logo

grand canyon, usa

19 - 25 September 2027

~ THE FOUNDERS' FAREWELL EDITION ~

Self-Supported and Supported Foot Race
6 stages / 7 days
171 miles / 275 km

Utah 115 Logo

kanab, utah

14 - 16 May 2027

3rd EDITION

America's high desert ultra
115 miles / 50 hours
50 miles / 20 hours
50 kms / 13 hours

Non-stop
Fully-supported footrace

~ Farewell ~

Fourteen years ago we had a crazy dream...

More than 1,200 runners from over 60 countries around the world later, friendships spanning the globe, countless unforgettable moments, and memories we'll treasure forever...

In 2027 we'll stand on the start line one final time as your Race Directors

We'd love you to be there with us

Colin and Tess

I feel they went above and beyond and gave it that personal touch that made it one big Family, one which I will never forget. I cannot recommend this event highly enough to anyone who is thinking about it sign up you wont forget it.
The Grand to Grand Ultra was an incredibly beautiful stage race that was also extremely challenging! The event organizers and all of the volunteers are what makes this race the fantastic experience it is! I am very grateful to have been part of it!
An absolutely fantastic event that stands head and shoulders above almost anything else out there. Very physically demanding with some highly technical pieces, unrivaled ever changing scenery, simply the best race crew/volunteers and medical team I have come across anywhere in the world.
Tess and Colin, A great big THANK YOU! What an adventure! You have created not only the world’s toughest self-supported stage race but also the BEST!
Amazing views on the course, perfect organisation by Tess and Colin Geddes, and friendly and funny volunteers. Ah, yes, also a pretty solid sport challenge... If you're an ultra-runner, try it.
I highly recommend it to ANYONE. DO IT. DO IT. DO IT. It will change your life.
Sign up for the Grand to Grand Ultra. This is the vision of Tess and Colin Geddes that I experienced and they will exceed your expectations. Thank you both and the people of Kanab and your team.
This was my first ultra and was wondering what to expect. Turned to be one of the best sport / human event I've done.