For a formal letter invitation, it's best to explicitly point out the purpose, event goals, and the value it can bring to participants. Dear (name), This letter is to invite you to our annual sports event (Type of event).Get your 10 Powerful Invitation and Announcement Email Templates to boost your registrations effectively and increase your event revenues. Whatever your event is, the following will help you write an effective invitation. A lot goes into planning a special event, but the invitation letter doesn't need to add any stress. These samples can help you craft the perfect invite. Invite friends and family to a sports event using sports day invitation card templates that you can format, customize, and print for free. An informal invitation letter is written in the format of an informal letter. The letter should state the date and venue of the event. The meeting will be held to discuss the evaluation results with the IEP team and determine eligibility.