
- YOB // 1996
- Discipline // Para Nordic
- Squad // Para Nordic Elite Squad
- Hometown // Kirkmichael, SCO
- Top result // 11th - World Cup Biathlon, Altenberg, GER 2019
Whilst travelling to work in June 2017, Callum was involved in very serious road traffic collision. The bone in his left leg had broken so badly that it had severed an artery, which resulted in an above knee amputation 5 days later.