Training KennemerRunners 21 januari 2016 Calendar Wanneer: 24 december 2022 @ 09:30 – 11:00 2022-12-24T09:30:00+01:00 2022-12-24T11:00:00+01:00 Training Interval training 4 series van 4x 1 min. Pauze is 30″ Serie pauze is 3 min.
