WRC
www.courirpourarmentieres.com

L'Armentieroise by Night la Grande Ourcq

location_on
Armentières-en-Brie, Hauts-de-France, France

calendar_today 13 Dec, 2025

language Official Website

Register

About the Event

Challenge your limits at La Grande Ourcq (LGO), a unique ultra-distance night adventure in Armentières-en-Brie on December 13, 2025! This 4th edition offers three epic distances—29km, 69km, and 105km—for runners and run-and-bike duos, all starting in the evening for a true test of endurance. Unlike traditional races, LGO is a self-navigated, semi-autonomous raid where participants follow GPX tracks through the picturesque Pays de l'Ourcq. With live GPS tracking, mandatory safety gear, and a focus on personal achievement over competition, it's the ultimate challenge for experienced adventurers. Registration is limited to 99 participants per distance—secure your spot for this unforgettable journey under the stars!

Races Offered

16 km

Dec 13, 2025

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Distance — 16K

terrain

Type — —

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19:00

Trail M (75-114 km-effort)

Dec 13, 2025

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Distance — 65K

terrain

Type — —

timer

19:00

If

Dec 13, 2025

straighten

Distance — If

terrain

Type — —

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-73 days remaining

Weather Overview

These values represent the 3-year monthly averages for December in Armentières-en-Brie.

Temp (°C)
Feels Like (°C)
thermostat 3.5° / 8.0°
wb_sunny -0.8° / 3.9°
Wind (km/h)
Humidity (%)
air 15.5 /
water_drop 88.3%

About Armentières-en-Brie

Learn more about the host city, Armentières-en-Brie.

Scenic view of

Armentières-en-Brie is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France.

Read more launch

Hotels & Places to Stay

Nearby Races

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Trail du Pays de l'Ourcq

Trail du Pays de l'Ourcq

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Villepa'trail

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La Saint Martinoise

La Saint Martinoise

location_on Saint-Martin-des-Champs, Ile-de-France, FR

calendar_today Jul 14, 2026

Other 5K 10K

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