Sponsor of the Day:
Jerkmate
https://iau-ultramarathon.org/
Home - IAU - International Association of Ultrarunners
As international governing body for ultradistance running, one of our main objectives is to promote and develop long distance…
iau international associationultrarunners
https://iau-ultramarathon.org/athletes/
Athletes - IAU - International Association of Ultrarunners
On this section we will try to give you some more insight about the people who perform Ultrarunning.
iau international associationathletesultrarunners
https://iau-ultramarathon.org/2026-iau-24h-a-and-oc.html
2026 IAU 24H A&OC - IAU - International Association of Ultrarunners
2026 IAU 24H Asia and Oceania Championships, Hirosaki City, Japan
international association2026iau24hultrarunners
https://iau-ultramarathon.org/labelling.html
Labelling - IAU - International Association of Ultrarunners
IAU Labelled Races. We have revised the criteria for IAU labels for ultradistance races to improve the standards of the events…
iau international associationlabellingultrarunners