AM - 5k with Finn before work. Late start, limited time.
PM - lunchtime - treadmill workout: 4 x 800 @ 5:45 ppm with a 400 rest; then 1 mile at 5:45 pace. Warm up and cool down. Felt solid the whole time. Pretty sure the treadmill's calibration is not accurate, but the HR effort is what I was seeking, which was right in the high tempo to threshold zone.