About us

The International Association of Ultrarunners (IAU)

The International Association of Ultrarunners (IAU) is operating under the patronage of World Athletics and is dedicated to develop ultradistance running internationally within the World Athletics 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 World Athletics Continental Areas.

Competitions

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

The major IAU competitions are :

Member Federations

IAU Membership is available to any National Athletic Federation World Athletics Member or to a National Ultrarunning Association, recognised by the World Athletics Member and authorised by the World Athletics Member to become an IAU Member.

Read more

IAU Partnerships

The International Association of Ultrarunners (IAU) is a partner of various organizations. You find an overview here.

Read more

Contact us in Social Networks