Training Calendar Wanneer: 10 januari 2026 @ 09:30 – 11:00 2026-01-10T09:30:00+01:00 2026-01-10T11:00:00+01:00 Training Tempo series: 7x 5 min. (4 min. DL2 en 1 min. DL3). Pauze is 2 min.