Another assault treadmill VO2 max session that nearly killed me off, self powered treadmills will be the death of me 😂 1km Repeats 3.5km warm up at a conversational pace (no faster than 13.3kph), 90s walking rest 6 reps of: • 1km at 18.9kph (3:10/km), 90s walking rest cool down at a conversational pace