Winter Vault Series – KP Athletics 2015/2016 Post author:Grand Haven Beach Vault Post published:November 17, 2015 Post category:Camps and Clinics Here are details on the Winter Vault Series at Cornerstone. Winter Vault Series 15 You Might Also Like 2014 Kentwood Spring Vault Clinic – March 16th March 4, 2014 EK Track Camp Flyer June 14, 2015 EK Pole Vault Camp – 2 Days June 20, 2014