# Grelly

A self-supported off-road bikepacking adventure from Herbeumont in the Belgian Ardennes. Pick one of several loop lengths.

- Page: https://ultracyclinghub.com/events/grelly/
- Format: race; discipline: offroad; surface: Off-road
- Country: Belgium (Ardennes)
- Organizer website: https://www.grelly-cycling.be/grelly27
- Verified on: 2026-10-10

## Editions

### 2027 · 315 km

- Page: https://ultracyclinghub.com/events/grelly/2027/279/
- Status: Dates confirmed
- Start date: 2027-05-20
- End date: 2027-05-23
- Start location: Herbeumont
- Finish location: Herbeumont
- Distance (km): 315
- Support: Self-supported
- Edition source: https://www.grelly-cycling.be/grelly27
- Verified on: 2026-10-10

#### Notes

- Routes still being built
- Climbing from about 6000 to 14000 m

Unlisted facts are not verified for this edition.

### 2027 · 350 km

- Page: https://ultracyclinghub.com/events/grelly/2027/280/
- Status: Dates confirmed
- Start date: 2027-05-20
- End date: 2027-05-23
- Start location: Herbeumont
- Finish location: Herbeumont
- Distance (km): 350
- Support: Self-supported
- Edition source: https://www.grelly-cycling.be/grelly27
- Verified on: 2026-10-10

#### Notes

- Routes still being built
- Climbing from about 6000 to 14000 m

Unlisted facts are not verified for this edition.

### 2027 · 500 km

- Page: https://ultracyclinghub.com/events/grelly/2027/281/
- Status: Dates confirmed
- Start date: 2027-05-20
- End date: 2027-05-23
- Start location: Herbeumont
- Finish location: Herbeumont
- Distance (km): 500
- Support: Self-supported
- Edition source: https://www.grelly-cycling.be/grelly27
- Verified on: 2026-10-10

#### Notes

- Routes still being built
- Climbing from about 6000 to 14000 m

Unlisted facts are not verified for this edition.

### 2027 · 575 km

- Page: https://ultracyclinghub.com/events/grelly/2027/282/
- Status: Dates confirmed
- Start date: 2027-05-20
- End date: 2027-05-23
- Start location: Herbeumont
- Finish location: Herbeumont
- Distance (km): 575
- Support: Self-supported
- Edition source: https://www.grelly-cycling.be/grelly27
- Verified on: 2026-10-10

#### Notes

- Routes still being built
- Climbing from about 6000 to 14000 m

Unlisted facts are not verified for this edition.

### 2027 · 675 km

- Page: https://ultracyclinghub.com/events/grelly/2027/283/
- Status: Dates confirmed
- Start date: 2027-05-20
- End date: 2027-05-23
- Start location: Herbeumont
- Finish location: Herbeumont
- Distance (km): 675
- Support: Self-supported
- Edition source: https://www.grelly-cycling.be/grelly27
- Verified on: 2026-10-10

#### Notes

- Routes still being built
- Climbing from about 6000 to 14000 m

Unlisted facts are not verified for this edition.

## Sources

- [Official site](https://www.grelly-cycling.be/grelly27), checked 2026-10-10: Dates and route for 2027.