Top 10 trail runs in Brittany

Do you prefer the beach or the forest? A night or a weekend? Choose your trail run depending on the landscape, the season and the atmosphere. In Brittany, any distance through nature is possible.

In the blink of an eye

1. Glazig trail

In the middle of winter

In February – Plourhan (22) – Baie de Saint-Brieuc – Paimpol – Les Caps

The first trail of the season defies the chilly weather as it crosses beautiful landscapes, between the land and the sea. Warm up on the rocky coastal paths, the beaches at low tide, the sunken lanes across bocage, etc. Or how about a nocturnal outing with a headlamp?

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Aftermovie 2025 – Le trail où la ville devient terrain de jeu 🏃‍♀️

2. Rennes Urban Trail

A city tour

In April – Rennes (35) – Rennes and the gateway to Brittany

Created in 2017, this urban trail is the largest in France in terms of number of participants. The concept ? Cross the Breton capital by following its main monuments, with surprising detours to unusual places: a shopping centre, a theatre, a metro station, a swimming pool, a cinema, a prison, an opera house, a high school, a basilica, Roazhon Park… each edition has its share of surprises. There are three routes around the city, including a long one covering 24 km and several thousand steps !

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©Couple enjoying beautiful views on the ocean, standing together near the car on the rocky coast, showing with hands heart shape. Carefree lifestyle, love and travel concept

Ideas

The inratables of the summer, the place to be to treat yourself to a seafood platter, the best views on the GR®34, the best spots to start surfing… in short, all the good...

3. Ebihens trail

A paradise archipelago

In April or May – Saint-Jacut-de-la-Mer – Saint-Malo and Mont-Saint-Michel bay

Off the peninsula of Saint-Jacut-de-la-Mer is the unspoilt Ebihens archipelago, accessible on foot at low tide. Energetic participants run across the channel on a 20 km marine trail on the shoreline and on paths. Ideal for filling up on sea air and seaweed.

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©DCIM100MEDIADJI_0043.JPG|Trail des Ebihens

©Trail de Guerlédan|Organisation Trail de Guerlédan

4. Guerlédan trail

Around the lake

In May or June – Guerlédan (22) – The heart of Brittany

From the Bon-Repos abbey, this demanding race through nature winds around the largest artificial lake in Brittany. The three trails, from 13 to 70 km, take place on hiking paths that are sometimes technical, with a demanding elevation gain. A high-level playing board where the best in the discipline compete with one another.

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5. Gulf of Morbihan Ultra Marine Raid

175 km: top that!

End of June – early July – Vannes (56) – Southern Brittany – Gulf of Morbihan

The longest ultra-trail in Brittany forms a loop around the Gulf of Morbihan, intersected by a crossing in a rubber dinghy half-way. The route, on roads and paths, takes place in a single stage. Daytime and night-time. You have a maximum of 42 hours to get back to the start… For extreme adventurers only!

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©Cyrille Quintard Ultramarin 2025 153a2632|Cyrille Quintard

©Corentin Gerard Ultra Marin 34km 2025 02742|Corentin Gérard

6. Trail du Bout du Monde

West coast lighthouses

In July – Plouzané (29) – Brest terres océanes

At the gateway to Brest, four races in nature, from 20 to 57 km, take off in the direction of the ocean, following the customs officers’ path. Coves and creeks offer breath-taking views of the Iroise Sea. After the Bertheaume Fortification of Vauban and the square lighthouse of Kermorvan, the finishing line is on the cliffs of Pointe Saint-Mathieu.

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7. Belle-Île en trail

A little tour of the sea

In September – Southern Brittany – Gulf of Morbihan

Every two years, the largest of the Brittany islands reserves its coast and country paths for trail runners. The longest race (81 km) goes around the island following beaches, coastal paths and valleys with a few excellent sections across the fields and ports. Just to ensure that Belle-Île lives up to its name of being a beautiful island!

For those who fancy a swim, why not try the swimrun? This race, created in 2019, combines trail running and white water swimming for unique thrills!

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©Belle Ile en trail 2016 - Photos by Famille Quéméner|Famille Quemener

8. Brocéliande legend trail

The fairy effect

In September – Iffendic (35) – Brocéliande

This race in the land of King Arthur crosses wonderful landscapes of forest, moors and rocks, which set the scene for the legendary décor of the knights of the Round Table. The leisure centre of Domaine de Trémelin, the archaeological site of Château de Boutavent, and the little Chambre au Loup canyon are on the route of three hilly trails from 12 to 54 km. Who knows, you might even bump into Merlin on your way…

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9. Trail through Estran

Between the tides

In September – Trévou-Tréguignec (22) – Pink Granite Coast – Bay of Morlaix

A strip of land that is covered at high tide and then exposed at low tide: this is the intertidal zone, called L’Estran. This trail consists of running on sand, stones, pebbles and in sludge for 8, 16 or 32 km. It’s fun, exotic, and for a good cause, organised for a disabled children’s charity. There are many enchanting sites along the way: Casse pattes, L’Enfer, Le Gouffre, etc.

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©Trail à travers l’Estran|Juliette Chardonnet Letren

©Whatsapp Image 2025 10 21 At 22.42.2622|Geraldine MAIGNAN

10. Scorff valley trail

Fifteen years of experience

In October – Cléguer (56) – Southern Brittany – Gulf of Morbihan

This autumn race spans rivers and valleys against a backdrop of woods, gardens and prairies. It proposes five formats, from 5 to 45 km. Challenges include a night-time run up the slopes of Sainte-Anne, the Mémé coast or the Saint-Yves bump.

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