Ask Garmin: Who’s right? Forerunner or the race course?


Forerunner305A Forerunner customer who recently ran the Shamrock Shuffle 8k in Chicago asked us why the distance shown on her Forerunner varied from the official race distance of 5 miles … or 4.9709695379 if you want to be ultra precise. If the distance shown on your Forerunner is slightly more than the official race distance, it just means you weren’t cutting corners—quite literally. According to the IAAF (International Association of Athletics Federation) course measurement guidelines (pg. 20), a road race course is defined by the shortest possible route a runner could take without being disqualified. For most races, a certified measurer rides the course on a bike, staying near the curb and taking every available tangent. This ensures that all runners will run at least the declared race distance. After the race, if Forerunner shows that you ran a little farther, this just accounts for extra steps you took to run around others participants, hit a water stop or stay to the middle or outside lane.

The post Ask Garmin: Who’s right? Forerunner or the race course? appeared first on Garmin Blog.

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