Training KennemerRunners 21 januari 2016 Calendar Wanneer: 27 juni 2023 @ 19:00 – 20:30 2023-06-27T19:00:00+02:00 2023-06-27T20:30:00+02:00 Training Interval kort: 5 series van 4x 20-40-60 sec. Pauze is 20sec. Serie pauze 3 min.