Mike Trees on Instagram: "Do you want to combine strength work and running into one session and save a bit of time ? Hill Repeats = Speed + Strength + Endurance Workout: 12 x 1-minute hill reps 2-minute jog down recovery Why I love this session so much. 1. It builds explosive running strength (glutes, hamstrings, calves). 2. It boosts VO₂ max & aerobic power. 3. It improves your running form & economy. 4. It makes you mentally tough, this session is hard ! 5. It puts less stress on the joints th