# IAU 100km World Championships in Spain

> Live situation record from CLSTR: https://clstr.news/situations/iau-100km-world-championships-in-spain
> Updated: 2026-09-18T13:57:04.000Z. Sources: 7. Developments: 2.

The 33rd IAU 100km World Championships are scheduled to take place in Ames, Galicia, Spain, on September 20, 2026. The event features 391 runners from 42 countries competing on a 20-lap asphalt loop circuit in Bertamiráns.

Spain, hosting the competition for the fourth time, will be represented by a nine-athlete national team including Gemma Arenas. International competition includes world record holder Aleksandr Sorokin. Italy will also participate with a women’s national team featuring Ilaria Bergaglio, who is making her third appearance at the championships, alongside Federica Moroni, Daniela Valgimigli, Denise Tappatà, Serena Natalini, and Sarah Giomi.

## Timeline

### 2026-09-18: Ilaria Bergaglio to compete in 100km World Championships

Ilaria Bergaglio will represent the Italian national team at the 100km World Championships in Ames, Spain, marking her third appearance in the global competition.

4 sources. https://clstr.news/cluster/ilaria-bergaglio-to-compete-in-100km-world-championships

### 2026-09-17: IAU 100km World Championships to be held in Ames, Spain

The IAU 100km World Championships arrive in Ames, Spain, on September 20, 2026, featuring 391 athletes from 42 countries, including Spanish stars Gemma Arenas and Antonio Jesús Aguilar.

3 sources. https://clstr.news/cluster/iau-100km-world-championships-to-be-held-in-ames-spain

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Cite as: IAU 100km World Championships in Spain. CLSTR, https://clstr.news/situations/iau-100km-world-championships-in-spain