Update on the 2023 IAU 50 km World Championships

We have had some strong interests in holding the IAU 50km World Championships in 2023. However, keeping in line of transparent and open application/bid process we are inviting interested parties to please look at the underlined timelines to extend your Expression of Interest (EOI) and subsequent applications.


  • December 12th, 2022 - Advertise the Expression of Interest (EOI) in hosting the 2023 IAU 50 km World Championships.
  • December 27th, 2022 - Deadline to get back to IAU bidding committee with Expression of Interest (EOI), email to: championships@iau-ultramarathon.org
  • Dececember 28th, 2022 – Feedback from IAU bidding committee to organizers expressed interested to organize the Championships with requirements and documentation
  • January 23rd, 2023 - Deadline to receive complete application, email to: championships@iau-ultramarathon.org
  • February 5th, 2023 - Decision on provided application

We are looking forward to hearing from you if you are interested.


IAU Executive Council

December 12th, 2023

Update on the 2023 IAU 50 km World Championships

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