News

IAU Race Calendar

6hrs Sittard / Netherlands

6 h

4 May 2025

RoadSittardNetherlands /

12hrs Sittard / Netherlands

12 h

3 May 2025

RoadSittardNetherlands /

24hrs Sittard / Netherlands

24 h

3 May 2025

RoadSittardNetherlands /

Disciplines

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

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

Read More on Trail

24 H

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

Read More on 24 H

50 K

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

Read More on 50 K

100 K

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

Read More on 100 K

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