A math error during a course adjustment caused the Servus Edmonton Marathon to go viral. The issue was not with the measurement system but a miscalculation by the measurer. World Athletics sets strict standards for course measurement, ensuring global consistency. In Edmonton, the detour caused by construction led to an incorrect adjustment.

Certified measurers use a Jones counter to ensure accuracy, riding the course twice. The system includes safeguards like extra meters to prevent short distances. Despite the error, the overall process is robust. Measurers, often volunteers, receive modest compensation for their dedication to the sport. Read more culture coverage.

Paul Adams, an A-rated measurer, highlighted the importance of accurate measurements. He and others conduct seminars and evaluate submissions to ensure precision. The incident underscores the significance of certified measurers in maintaining the integrity of road races. Related: Boston Marathon to Reject Adjusted Edmonton Times.

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