For general information, contact Barbara Finn, competition chair, at 1-847-426-7978 or email her at barbarakfinn@comcast.net. For competitor questions on events, entry forms, event changes, spectator tickets and/or to check the status of your registration contact DJ Lawn, registrar, at 1-630-893-2926 or chicagochallenge@comcast.net. For competitor questions on entry rules, eligibility, age classification, etc., contact Barbara Finn.