You can now convert Exercises to Events and vice-versa. To convert an activity make sure it is in draft form and press [Update Details] on the top right. If the activity has already been approved you must convert it back to draft.



Now press [Convert] at the very bottom below the delete bar.



Your activity will be immediately converted. You can now publish and approve to add the activity in its new form to your statistics.

There is a discussion in our support forum on this topic.