For very challenging courses that have very steep inclines, there are factors that the Race Power Calculator can currently not accommodate. When uploading a course, we look at the overall elevation gain and loss for the course. For example, a point-to-point half marathon course that is an uphill course can only have about 600 meters of gain. If there is more elevation gain (and/or loss), the course will be rejected by the Race Power Calculator.

For these types of courses, the race power calculator cannot predict the pace and power you could sustain on such climbs and descents as it requires different muscles and biomechanics. We, therefore, do currently not allow those courses.