insane workout today: - 5*600m @ 2:57/km (4:00 sendoffs) - 10*400m @ 3:03/km (2:00 sendoffs) - 10min jog - 5*400m @ 2:49/km (2:30 sendoffs) → 9km volume of work in 26:43 → avg 2:58/km (4:47/mi)