THRESHOLD TRAINING AT ALTITUDE *World Age Group Record Holder*

This is A Norwegian Threshold training double day at Altitude, with the 3000m Age group world record holder Andreas FJELD HALVORSEN, who ran 8:12 for 3000m at the age of 15.

This specific footage is from an Altitude training camp In South Africa, where the Norwegian did a similar day to Jakob Ingebrigtsen training with the double threshold workout.