Training KennemerRunners 21 januari 2016 Calendar Wanneer: 9 september 2023 @ 09:30 – 11:00 2023-09-09T09:30:00+02:00 2023-09-09T11:00:00+02:00 Training Loopscholing Intervallen in duurloop. 2 series van 8 min.: 30″ snel 15″ pauze