Challenger Athletics Inc., is now accepting mail in donations. To donate via mail please make check payable to Challenger Athletics Inc. and mail to: Challenger Athletics, Inc., PO Box 5511, Bay Shore, NY 11706. Also, donations via paypal are now being accepted. Please click on the button below to donate now. Challenger Athletics Inc. is a New York not-for-profit corporation with 501(c)(3) status. All donations are tax deductible to the fullest extent of the law.