Trail races in Brittany — September 2027
France's Atlantic peninsula: granite, salt marshes, beech forests and a coastline you run with the tide. Here trail running is not measured in vertical gain but in kilometres of coast, and the Ultra Marin gathers 10,000 runners around the Gulf of Morbihan.
2 races scheduled
Gear up for autumn
Grippy shoes, a headlamp and technical clothing for short days and wet ground.
#1 · Best OverallSalomon Sense Ride 5View on Amazon →(opens in a new tab)
#2 · Best OverallPetzl Iko CoreView on Amazon →(opens in a new tab)
#3 · Best Rain JacketGore Wear R7 GTX ShakedryView on Amazon →(opens in a new tab)
Some links are affiliate links. If you buy through them, we earn a commission at no extra cost to you.
No races match these filters.
For your vertical km
Poles, grippy shoes and a light vest for a 1,000 m climb.
#1 · Best OverallBlack Diamond Distance Carbon ZView on Amazon →(opens in a new tab)- #2 · Best OverallSalomon Sense Ride 5View on Amazon →(opens in a new tab)
#3 · Best OverallSalomon ADV Skin 12 SetView on Amazon →(opens in a new tab)
Some links are affiliate links. If you buy through them, we earn a commission at no extra cost to you.
For a short race
Shoes, socks and sun protection: just what you need to run fast.
- #1 · Best OverallSalomon Sense Ride 5View on Amazon →(opens in a new tab)
#2 · Best OverallCompressport Pro Racing Socks V3.0 TrailView on Amazon →(opens in a new tab)
#3 · Best OverallISDIN Fusion Water Sunscreen SPF 50+View on Amazon →(opens in a new tab)
Some links are affiliate links. If you buy through them, we earn a commission at no extra cost to you.
For a mid-distance race
Shoes, vest and hydration for 21-42 km without suffering.
- #1 · Best OverallSalomon Sense Ride 5View on Amazon →(opens in a new tab)
- #2 · Best OverallSalomon ADV Skin 12 SetView on Amazon →(opens in a new tab)
#3 · Best Gel OverallMaurten Gel 100View on Amazon →(opens in a new tab)
Some links are affiliate links. If you buy through them, we earn a commission at no extra cost to you.
For a long race
Vest, headlamp and nutrition for all those hours in the mountains.
- #1 · Best OverallSalomon ADV Skin 12 SetView on Amazon →(opens in a new tab)
- #2 · Best OverallPetzl Iko CoreView on Amazon →(opens in a new tab)
- #3 · Best Gel OverallMaurten Gel 100View on Amazon →(opens in a new tab)
Some links are affiliate links. If you buy through them, we earn a commission at no extra cost to you.
For your ultra
A watch with battery to spare, a powerful headlamp and poles: the gear that can't fail.
#1 · Best OverallCoros Pace 3View on Amazon →(opens in a new tab)- #2 · Best OverallPetzl Iko CoreView on Amazon →(opens in a new tab)
- #3 · Best OverallBlack Diamond Distance Carbon ZView on Amazon →(opens in a new tab)
Some links are affiliate links. If you buy through them, we earn a commission at no extra cost to you.
Who would you run them with? Send them this list.
Share this view(opens in a new tab)Explore by country, month and goal
Climate in Brittany: Pure oceanic climate: mild all year, with frequent rain and wind. The ideal window runs from May to October, when daylight lasts late and the trail is drier. Winter means mud, short days and Atlantic storms.
Race summary
2
Races
18 – 166 km
Distance range
300 – 3,700 D+
Elevation range
Sep
Race months
Difficulty
Tips for running in Brittany in september
September can bring sudden storms: always carry your windbreaker even if the sky looks clear.
The terrain starts to have fallen leaves hiding rocks and roots: increase focus on descents.
It is an ideal month for ultras: take advantage of the thermal conditions and remaining daylight hours.
Race map
Click a marker to view race details.
Scheduled races
Photo: Thérèse Gaigé / Wikimedia Commons (CC BY-SA 4.0)Trail de la Côte d'Émeraude
Saint-Malo
54 km and 1,200 m D+ along the Saint-Malo coast. 11-12 September 2027.
Photo: Organisation Grand Raid du FinistèreGrand Raid du Finistère
Telgruc-sur-Mer
166 km and 3,700 m D+ on the GR34 and the Crozon peninsula. 17-18 September 2027.
Essential gear + sun protection
Get ready to run in the heat: sun protection and key gear
Black Diamond
Black Diamond Distance Carbon Z
Ultralight carbon Z-pole foldable trekking poles. 137 g per pole in 110 cm length, 33 cm folded. EVA grip and adjustable strap. The trail running reference.
Hoka
Hoka Speedgoat 7
The best-selling trail shoe in the US and an absolute ultra-trail classic. Max Hoka cushioning, a Vibram Megagrip outsole with 5 mm lugs for grip in mud and technical terrain, and a snug Matryx upper. Built to eat up kilometres without punishing your legs in long races.
Some links are affiliate links. If you buy through them, we earn a commission at no extra cost to you.