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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.

Trail runs nearby

Saturday May 23

Boekt Loopt

...

The Boekt Loopt will take place in Heusden-Zolder on Saturday 23 May 2026. You can run between 5 and 42 kilometers.

Saturday May 23

Val-Dieu Trail

The Val-Dieu Trail will take place in Aubel on Saturday 23 May 2026. You can run between 10 and 20 kilometers.

Sunday May 24

Terhills Trail

The Terhills Trail will take place in Maasmechelen on Sunday 24 May 2026. You can run between 15 and 50 kilometers.

Sunday May 24

La Claviéroise

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The La Claviéroise will take place in Vervo on Sunday 24 May 2026. You can run between 7 and 25 kilometers.