30 November 2020

2020 Soochow International Ultramarathon Webinar

To cope with COVID-19 the 2020 Soochow International Ultramarathon, the 20th anniversary of the event, shall be transformed into an online seminar covering topics of ultra-marathon related research and How under the current pandemic we can best manage our health in mental, physical, and social aspects.

1 November 2020

Jan Vandendriessche retires from the IAU Executive Council

Jan Vandendriessche retires from the IAU Executive Council We would like to inform you that after more than 16 years of service for IAU Jan Vandendriessche decided to retire from his position as IAU director due to personal reasons. His decision will be effective as of November 1st 2020.

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IAU Race Calendar


IAU Disciplines

IAU: beyond the marathon

Go beyond your limits and run one of our mayor IAU Competions. Become runner in one of our member federations.


Trail running is completely different, as you run on any unpaved surface.

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24 H

Run further than you can even imagine, and in just 24 hours.

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50 K

Even a little bit more than the marathon the 50 km is the perfect start for your ultramarathon career.

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100 K

100 km is our "flagship", since the Worlds Athletics officially sanctions it and also ratifies 100 km world records.

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