You don’t have to be a mathematical genius to do this. But when we hit the track, we switch to meters without batting an eyelash. When we train on the road, we typically record our distance in miles. Some of the races we do are measured in miles, others in kilometers. Most American runners are comfortable switching between imperial measurements (inches, feet, yards, miles) and metric measurements (centimeters, meters, kilometers). RELATED: Not Doing Speed Work? Here Are 3 Easy Ways to Add It Into Your Training 10 Kilometers versus 10 Miles Adding those extra few miles pushes the endurance effort to a new level, and can be a great building block if you’re eyeing up a distance race in the future.īy building the right balance of speed and endurance, you can find success at a race distance of 10 kilometers or 10 miles-or both. But there’s another middle-distance event that-while less pervasive-has become quite popular: The 10 miler. It also doesn’t require quite as lengthy of a training process as, say, a half marathon or marathon, making it a great option for busy everyday runners who want to push themselves without as steep of a time commitment. The 10K is one of the most popular of middle-distances: at 6.2 miles, it’s the perfect length to put a blend of both your speed and endurance to the test.

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