200m, 400m, 600m, 800m, 600m, (200m recovery)
400m, 200m (1 lap recovery)
400m, 600m, 800m, 600m, 400m (200m recovery)
Total: 6k fast @ 10k pace.
Please note: try to run session in single file if possible and overtake on the right only, warm up and down in outside lanes all groups.