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L'Armentieroise by Night la Grande Ourcq

Name: L'Armentieroise by Night la Grande Ourcq
Start: 2025-12-13
End: 2025-12-13
Location: Armentières-en-Brie

location_city Armentières-en-Brie

flag France

calendar_today 13 Dec, 2025

directions_run Running

language Official Website

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

straighten

Distance — 16K

terrain

Type — Trail running

timer

19:00

Trail M (75-114 km-effort)

Dec 13, 2025

straighten

Distance — 65K

terrain

Type — Trail running

timer

19:00

If

Dec 13, 2025

straighten

Distance — If

terrain

Type — Trail running

timer

Event has passed

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%

Temp (°C)

Feels Like (°C)

Wind (km/h)

Humidity (%)

thermostat 3.5° / 8.0°

wb_sunny -0.8° / 3.9°

air 15.5 km/h

water_drop 88.3%

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L'Armentieroise by Night la Grande Ourcq

About the Event