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2018 IAU 100K World Championship pre-race report

We are approaching the third major IAU event for this year. The International Association of Ultrarunners (IAU), the Croatian Athletics Federation (CAF) and the Local Organization Committee (LOC) represented by LifeClass Terme Sveti Martin and Mayor of Sveti Martin na Muri are proud to organize the 2018 IAU 100 km World Championship on September 8th in Sveti Martin na Muri, Croatia. 
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 IAU CONGRESS 2018, Sveti Martin, Croatia 7th September AGENDA and PAPERS circulated

All the IAU member federations and their team contact points for the World 100K Championships have just been sent the agenda and papers for the IAU Congress > more
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Sveti Martin na Muri, Croatia Irdning, Austria

2018 100K World Championships
8th September 2018, Sveti Martin na Muri, Croatia

2019 24H World Championships
May 11th-12th 2019, Irdning, Austria
IAU Mirandha do Corvo, Portugal

No information available at this moment

2019 TRAIL World Championships
June 8th 2019, Mirandha do Corvo, Portugal

Trailer 2018 WC Trail Penyagolosa  


8/3/2018 225km Finland Road
Finland arctic Circle Ultramarathon 225km

8/4/2018 100km Ecuador Trail
Ruco Ultra Trail

8/4/2018 100K Turkey Trail
Macahel Ultra Trail 100K

>> Go to the calendar

The International Association of Ultrarunners (IAU) is operating under the patronage of the IAAF and is dedicated to develop ultradistance running internationally within the IAAF Rules & Regulations.

As international governing body for ultradistance running, one of our main objectives is to promote and develop long distance running worldwide by encouraging specific activities in each of the IAAF Continental Areas.

The 100 km is our “flagship” since the IAAF officially sanctions this distance and also ratifies 100 km world records.

The major IAU competitions are :
100 km World Championships under the patronage of the IAAF
100 km Area Championships
24H World Championships
24H Area Championships
Trail World Championship
50 km World Championship

>> Go to about us

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