This Week in Running Justin Mock TWIR. Image accompanying iRunFar’s report; reduced and presented for news commentary with the attributed report. View the complete source report.
Courtney Olsen won the 2026 IAU World Championships women’s race in 7:10:31, overtaking Miho Nakata in the final laps. Gemma Arenas finished third. Charlie Lawrence claimed victory in the men’s race, fending off Aleksandr Sorokin in the second half.
Hanna Gröber dominated the Myoko Trail women’s race, finishing nearly three minutes ahead of the competition. Patrick Kipngeno won the men’s race, marking his third consecutive victory in the Golden Trail World Series Japan installment. Read more racing coverage.
Hannah Allgood set a new course record at the Run Rabbit Run 100 Mile, finishing in 19:01. Ryan Sullivan also broke the course record in the men’s race, completing it in 17:03. Anna Gibson won the Pikes Peak Ascent, while Chrissy Lofgren took the Pikes Peak Marathon. Related: Ryan Sullivan Wins 2026 Run Rabbit Run 100 Mile.
This original Runner World brief is based on reporting from iRunFar. Visit the source for its complete reporting, context and any later corrections.
Reader questions
Questions about this report
What should runners know about Trail and Ultra Races Dominate This Week in Running Recap?
A weekend filled with races across the world saw new records and familiar names on top. Courtney Olsen won the 2026 IAU World Championships women’s race in 7:10:31, overtaking Miho Nakata in the final laps. Gemma Arenas finished third. Charlie Lawrence claimed victory in the men’s race, fending off Aleksandr Sorokin in the second half.
When did Runner World publish this racing brief?
Runner World published this brief on September 21, 2026. The underlying iRunFar report was dated September 21, 2026.
Where can readers find the complete original report?
This summary is based on reporting from iRunFar. The attributed source link in the article leads to the publisher’s complete report.
THE WEEKLY BRIEFING
Start the week a step ahead.
A concise edit of the running stories worth knowing, sent every Monday.
