A Breath For The Muco
Mountain Biking and Trail Running covering 750 m to 130 km in Belle-Isle-en-Terre (Brittany, France)
A Breath For The Muco is an endurance sporting event in Belle-Isle-en-Terre, Brittany, FR focused on Mountain Biking, Trail Running, Nordic Walking, Walking & Hiking, Gravel Biking and Road Running. Key features include Nature & Off-Road, Kids & Youth Races, Forest, City Run.
The race program comprises 16 competitions, including Gravel Random (130 km) (130 km, +1,430 m D+), Mountain Bike Raid (65 km, +1,690 m D+), Gravel Ride (65 km) (65 km, +715 m D+), Mountain Bike Ride (50 km) (50 km, +1,300 m D+), Mountain Bike Ride (40 km, +1,040 m D+), and Mountain Biking Adventure (30 km, +780 m D+) (16 competitions in total). The exact date for the next edition is currently open and will be announced by the organizer. Official race regulations, course details, and registration information are provided on the organizer's website (sites.google.com).

Event characteristics
Races & distances (16)
| Competition | Discipline | Distance | Elevation gain | Altitude range | Course type | Course & profile |
|---|---|---|---|---|---|---|
| Gravel Random (130 km) | Gravel Biking | 130 km | +1,430 m | 2 m - 603 m | Loop course | Route & profile |
| Mountain Bike Raid | Mountain Biking | 65 km | +1,690 m | 5 m - 715 m | Loop course | Route & profile |
| Gravel Ride (65 km) | Gravel Biking | 65 km | +715 m | 8 m - 308 m | Loop course | Route & profile |
| Mountain Bike Ride (50 km) | Mountain Biking | 50 km | +1,300 m | 11 m - 557 m | Loop course | Route & profile |
| Mountain Bike Ride | Mountain Biking | 40 km | +1,040 m | 14 m - 451 m | Loop course | Route & profile |
| Mountain Biking Adventure | Mountain Biking | 30 km | +780 m | 2 m - 330 m | Loop course | Route & profile |
| Trail 25 km | Trail Running | 25 km | +650 m | 5 m - 278 m | Loop course | Route & profile |
| Mountain Biking Tour (20 km) | Mountain Biking | 20 km | +520 m | 8 m - 226 m | Loop course | Route & profile |
| Trail 15 km | Trail Running | 15 km | +390 m | 11 m - 175 m | Loop course | Route & profile |
| Nordic Walking 15 km | Nordic Walking | 15 km | +68 m | 14 m - 43 m | Loop course | Route & profile |
| Walking 14 km | Walking & Hiking | 14 km | +63 m | 2 m - 28 m | Loop course | Route & profile |
| Walking 10 km | Walking & Hiking | 10 km | +45 m | 5 m - 24 m | Loop course | Route & profile |
| Trail 9 km | Trail Running | 9 km | +234 m | 8 m - 106 m | Loop course | Route & profile |
| Walking 9 km | Walking & Hiking | 9 km | +40 m | 11 m - 28 m | Loop course | Route & profile |
| Heritage Hike | Walking & Hiking | 4 km | +18 m | 14 m - 22 m | Loop course | Route & profile |
| Road Running 750 m | Road Running | 750 m | +3 m | 2 m - 4 m | Loop course | Route & profile |
Course route & map
Elevation profile & course telemetry
Altitude from 2 m to 603 m above sea level (+1,430 m D+, -1,430 m D-)
Elevation profile & course telemetry
Altitude from 5 m to 715 m above sea level (+1,690 m D+, -1,690 m D-)
Elevation profile & course telemetry
Altitude from 8 m to 308 m above sea level (+715 m D+, -715 m D-)
Elevation profile & course telemetry
Altitude from 11 m to 557 m above sea level (+1,300 m D+, -1,300 m D-)
Elevation profile & course telemetry
Altitude from 14 m to 451 m above sea level (+1,040 m D+, -1,040 m D-)
Elevation profile & course telemetry
Altitude from 2 m to 330 m above sea level (+780 m D+, -780 m D-)
Elevation profile & course telemetry
Altitude from 5 m to 278 m above sea level (+650 m D+, -650 m D-)
Elevation profile & course telemetry
Altitude from 8 m to 226 m above sea level (+520 m D+, -520 m D-)
Elevation profile & course telemetry
Altitude from 11 m to 175 m above sea level (+390 m D+, -390 m D-)
Elevation profile & course telemetry
Altitude from 14 m to 43 m above sea level (+68 m D+, -68 m D-)
Elevation profile & course telemetry
Altitude from 2 m to 28 m above sea level (+63 m D+, -63 m D-)
Elevation profile & course telemetry
Altitude from 5 m to 24 m above sea level (+45 m D+, -45 m D-)
Elevation profile & course telemetry
Altitude from 8 m to 106 m above sea level (+234 m D+, -234 m D-)
Elevation profile & course telemetry
Altitude from 11 m to 28 m above sea level (+40 m D+, -40 m D-)
Elevation profile & course telemetry
Altitude from 14 m to 22 m above sea level (+18 m D+, -18 m D-)
Elevation profile & course telemetry
Altitude from 2 m to 4 m above sea level (+3 m D+, -3 m D-)
Frequently asked questions (FAQ)
When and where does A Breath For The Muco take place?
A Breath For The Muco takes place in Belle-Isle-en-Terre, Brittany, FR (start area at coordinates 48.5436° N, 3.3956° W). The exact date for the next edition is currently open and will be announced by the organizer.
What races and distances are offered at A Breath For The Muco?
The race program comprises 16 competitions, including Gravel Random (130 km) (130 km, +1,430 m D+), Mountain Bike Raid (65 km, +1,690 m D+), Gravel Ride (65 km) (65 km, +715 m D+), Mountain Bike Ride (50 km) (50 km, +1,300 m D+), Mountain Bike Ride (40 km, +1,040 m D+), and Mountain Biking Adventure (30 km, +780 m D+) (16 competitions in total). The competitions belong to Mountain Biking, Trail Running, Nordic Walking, Walking & Hiking, Gravel Biking and Road Running.
What is the course layout and elevation profile for A Breath For The Muco?
The main competition (Gravel Random (130 km) over 130 km) is designed as a loop course featuring +1,430 m of elevation gain and -1,430 m of elevation loss, ranging between 2 m and 603 m above sea level. An interactive course map with route visualization, elevation profile, and GPX export is available in the course section on this page.
Where can I find registration and official race rules for A Breath For The Muco?
Official race regulations, course details, and registration information are provided on the organizer's website (sites.google.com).