Abby Hall and Caleb Olson won the Western States 100! Read our 2025 Western States 100 results article for the full race story, and watch Abby and Caleb’s post-race interviews.

Haruki Okayama

2024 IAU 100k World Championships Results: Jumpei Yamaguchi and Floriane Hot Win Gold

By Eszter Horanyi Comments

Results of the 2024 IAU World 100k Championships, won by Floriane Hot and Jumpei Yamaguchi.

A Brief History of the IAU 100k World Championships

By Adrian Stott Comments

A history of the IAU 100k World Championships.

Patrycja Bereznowska and Aleksandr Sorokin Take Top Honors for the 2022 IAU Athlete of the Year Awards

By Sarah Brady Comments

Results of the 2022 IAU Athletes of the Year Awards.

2022 IAU 100k World Championships Results: Hot and Okayama Prevail

By Eszter Horanyi Comments

France’s Floriane Hot and Japan’s Haruki Okayama grab 2022 100k World Championships titles in Bernau, Germany.