"f, parents, subsidiaries, predecessors, successors, affiliates, assigns, sponsors any event for which this training is geared or based, and any organizer, sponsor, speaker, volunteer, city, town, village or other municipality or governmental entity associated with such event (???Seth Kopf d/b/a Kopf Running???s Parties???) from any and all matter of liability, claims for damages, causes of action," . . . . . . . . .