Articles

Belgian Ultrarunner Karel Sabbe's Record-Breaking Pacific Crest Trail Run Showcased in New YouTube Documentary

Explore Karel Sabbe's record-breaking Pacific Crest Trail run in a riveting documentary. Jour..

Trail Running: How it Can Help Reduce Stress and Anxiety

Trail running is an effective way to reduce stress, anxiety, and improve physical and mental he..

Trail Running vs. Road Running: Which One Is Right For You?

When it comes to running, there are two primary options to choose from: trail running and road..

La Noctambule de Grosbois

Name: La Noctambule de Grosbois
Start: 2026-04-11
End: 2026-04-11
Location: Marolles-en-Brie

Marolles-en-Brie, France • 11 Apr 2026

The La Noctambule de Grosbois will take place in Marolles-en-Brie on Saturday 11 April 2026. You can run between 11 and 21 kilometers. Visit the organization's website for the most recent information.

France Val-de-Marne Île-de-France Marolles-en-Brie

Race information

Registration

Half Marathon

Trail 21 Kms

11 km

Trail 11 Kms

11 km

Rando 11 Kms (variante Possible Sur le Circuit Pour 5 Kms)

Visit the organization's website for the most recent information.

Trail runs nearby

Saturday Feb 14

Saint Valentin Forever Run

Saint-Germain-en-Laye

The Saint Valentin Forever Run will take place in Saint-Germain-en-Laye on Saturday 14 February 2026. You can run between 5 and 25 kilometers.

UTMB Index

Sunday Feb 15

Cross de la Sablière

...

The Cross de la Sablière will take place in Viroflay on Sunday 15 February 2026. You can run between 6 and 11 kilometers.

Sunday Feb 15

Semi Marathon de Bullion

Bullion

The Semi Marathon de Bullion will take place in Bullion on Sunday 15 February 2026.

Sunday Mar 8

Trail la Griffon'Yerres

...

The Trail la Griffon'Yerres will take place in Yerres on Sunday 8 March 2026. You can run between 8 and 15 kilometers.