This workshop is held onsite at Marketo HQ. Not at the Summit.
Go into your University and look at courses in the Marketo Community and at the bottom of all the courses, is the Course to add to your Learning center. It should show you when the next schedualed course is.
You can always drop an email to education@marketo.com
Here is more info, MCC is at the bottom:
https://community.marketo.com/MarketoArticle?id=kA050000000LH3FCAW