
Explore the
Cornwall Grit
Cornwall Grit brings a trail ultramarathon to Folly Field, Marazion, Penzeance, Cornwall, TR17 0EF, United Kingdom, with the course coming alive on 12 Sep 2026. Choose from 100km, 79km and 140km options and find the distance that suits you. With entry from 45 EUR, it offers great value for a memorable race day.
The Course Profile
Whether it is a trail road or a challenging city circuit, the route is designed to push your limits.
Athlete Support
Strategically placed hydration stations and cheering zones to keep your momentum high until the very end.
The Finish Line
A grand celebration awaits every finisher. Experience the roar of the crowd and earn your exclusive medal.
A premier international racing destination.
A trail course designed for peak performance.
100km, 79km, 140km
Experience the electric vibe from start to finish line.
Prepare for the
Cornwall Grit Experience.

Race Day Readiness
Environment
Event Protocol
Official Timing
& Results
Electronic timing chips provide accurate race data. Be sure to follow all start-zone protocols for a valid finishing time.
Safety &
Participant Support
Dedicated medical and support teams are stationed along the entire course to ensure a safe environment for all athletes.
Global Standards
Cornwall Grit World-Class Course
A professionally measured and sanctioned route designed to provide a premium racing experience in the heart of the city.
How Back My Run
Transforms Your
Cornwall Grit.
We bridge the gap between runners and their supporters, turning a solitary challenge into a shared triumph through the power of voice.
Mental Strength at the Wall
When you hit the tough miles of the Cornwall Grit, your phone triggers messages of encouragement exactly when your pace drops or you reach certain milestones.
Family Presence
Even if your loved ones can't be at the finish line in person, their voices will be right there in your ears, pushing you through every kilometer.
Global Support Network
Supporters from anywhere in the world can record their messages. Distance is no longer a barrier to being part of your Cornwall Grit journey.
Lifetime Memories
After the race, you get to keep all those emotional voice notes forever. It's not just a race result; it's a collection of love and support.
From Start Line
To The Finish.
Experience the future of race-day motivation in three simple steps.
Download The App
Choose the Cornwall Grit and create your event in less than a minute.
Collect Support Messages
Share your unique link with friends and family so they can record motivational voice notes for your Cornwall Grit journey.
Run & Receive Motivation
As you reach key milestones in Cornwall Grit, supportive voice messages automatically play through your headphones.
Start collecting Voice notes from friends and family!
Everything You NeedTo Know
Answers to common questions about using Back My Run for the Cornwall Grit.

Support
is Confirmed!
Empower Your Runner In Cornwall Grit
Don't just watch from the sidelines. Create a personalized motivational network that delivers your voice directly to their ears when they hit the target.