Speed run workout: Pyramid intervals Start with 5:00 warmup jog 1. 1:00 at mile pace, 1:30 recovery walk 2. 5:00 at 5K pace, 3:00 recovery walk 3. 10:00 at 10K pace, 3:00 recovery walk 4. 5:00 at 5K, 2:30 recovery walk 5. 1:00 at mile 51 days until my first half. #hmtraining #runsky