Edmonton Marathon Course Found to Be Over Half a Kilometre Too Long

The Edmonton Marathon organizers acknowledged the course was 674.4 meters longer than the standard distance, sparking runner outrage. The error disrupted personal bests and Boston Marathon qualification chances. Runners reported unexpected fatigue in the final kilometer.

Race director Tom Keogh stated the error was due to a detour around construction. The race will review its certification process to prevent future errors. Runners emphasized the importance of accurate course lengths for personal bests. Read more racing coverage.

Olympian Natasha Wodak expressed her surprise at her slower final pace. She highlighted the significance of accurate course lengths for runners aiming for personal bests. Related: Amanal Petros Wins European Marathon in Record-Breaking Race.

This original Runner World brief is based on reporting from The Guardian Athletics. Visit the source for its complete reporting, context and any later corrections.

Questions about this report

What should runners know about Edmonton Marathon Course Found to Be Over Half a Kilometre Too Long?

Race organizers admit error, affecting runners' times and potential Boston Marathon qualifiers. The Edmonton Marathon organizers acknowledged the course was 674.4 meters longer than the standard distance, sparking runner outrage. The error disrupted personal bests and Boston Marathon qualification chances. Runners reported unexpected fatigue in the final kilometer.

When did Runner World publish this racing brief?

Runner World published this brief on August 19, 2026. The underlying The Guardian Athletics report was dated August 19, 2026.

Where can readers find the complete original report?

This summary is based on reporting from The Guardian Athletics. The attributed source link in the article leads to the publisher’s complete report.

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