Sebastian Camus is a successful trail runner, who crossed the island of New Caledonia near New Zealand in three days without sleeping and competes in Ultra Marathon and trail running events. Find out here how the two altimeters of fēnix (GPS altimeter and barometric altimeter) provide him with the most accurate training data.

To learn more about the fēnix® look here: https://explore.garmin.com/en-US/fenix/