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La Grosse Bertha

Ans, Belgium • 15-16 Aug 2026

The La Grosse Bertha will take place in Ans from Saturday 15 August 2026 to Sunday 16 August 2026. You can run between 10 and 107 kilometers. Visit the organization's website for the most recent information.

Belgium Luik Ans

Race information

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107 km

Ultra 107

65 km

Trail Rive Droite

Marathon

Marathon de la Grosse Bertha

26 km

Course des Ulhans

16 km

La Bande à Bonnot

10 km

Course Julien Adam

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

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Thursday May 14

Trail Ohey

The Trail Ohey will take place in Ohey on Thursday 14 May 2026. You can run between 8 and 20 kilometers.

Fri - Sun May 15-17

Grand Trail des Lacs & Châteaux Summer Edition (GTLC)

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The Grand Trail des Lacs & Châteaux Summer Edition (GTLC) will take place in Waimes from Friday 15 May 2026 to Sunday 17 May 2026. You can run between 9 and 166 kilometers.

Sunday May 17