Help us celebrate our 30th anniversary by becoming a member. Memberships help support the UPSDA by providing funds for trail and race expenses. Choose the Membership tab on our website and select the membership level that suits you best. Secure your membership via PayPal (can use a credit card or PayPal account) or by check mailed to UPSDA, PO Box 15, Marquette MI 49855. Please include your name, address, phone number and email address. Join the UPSDA today!