Derek Toshner is an accomplished mountain man and teacher. He is StrongFirst Master Instructor.

Summited 10 mountains in 2022 including Aconcagua, Rainbow Wall (14 pitches of 5.12b) on Rainbow Mountain, East Buttress of Mt Whitney, and The Diamond on Long’s Peak.

Going for different routes on Grand Teton and Denali in 2023.

Previously done 2 laps of Grand Teton, DeCaLiBron, and Long’s Peak in 8 days.

Former Tactical Strength Challenge Champion

Former competitor in the USA Olympic and World Team Trials in 400m hurdles.

Teach All-Terrain Conditioning for StrongFirst & own AdventureFit online training (to be officially launched soon after 2 years of beta testing)

With Shannon for 24 years, married for 19 years -father of a climbing daughter (The Diamond, and Grand Teton) at 15 and 13 years of age respectively, and a snowboarding son.