Training KennemerRunners 21 januari 2016 Calendar Wanneer: 19 maart 2022 @ 09:30 – 11:00 2022-03-19T09:30:00+01:00 2022-03-19T11:00:00+01:00 Contact: Website activiteit Training Korte intervallen. 15 sec – 30 sec – 90 sec DL3. Pauze is 15 – 30 – 90 sec. 2 series van 5.