International Association of Ultrarunners

The International Association of Ultrarunners (IAU) is the world governing body of ultra running, race events longer than the marathon distance of 42.2 km. It regulates and sanctions the World Championships for various ultramarathon distances, and tracks world records in ultra distance races approved by IAU. IAU operates under the patronage of the World Athletics and follows World Athletics rules.

International Association of Ultrarunners
SportUltramarathon and Long distance running
PresidentNadeem Khan (Vice President) (CAN)
SecretaryHilary Walker (GBR)
Official website


IAU events include:

EventFrequencyFirst Year
World Events
IAU 50 km World ChampionshipsAnnual2015
IAU 100 km World ChampionshipsAnnual1987
IAU 24 Hour World ChampionshipAnnual2001 (and 1990)
IAU Trail World ChampionshipsAnnual2007
Regional Events
IAU 50 km European ChampionshipsAnnual2015
IAU 100 km European ChampionshipsAnnual1992
IAU 24 Hour European ChampionshipsAnnual1992
IAU 100 km Asian ChampionshipsBiennial2010
IAU 100 km Americas ChampionshipsBiennial2017

See also