For participation in the DunkinRunsOnYou Survey, you must validate your recent visit. Start by entering the 18-digit survey code found on your receipt. A sample receipt can show you where to find this code. If your receipt doesn't feature a survey code, you can still join by accessing the survey link and providing the store's 6-digit number, date and time of service, order number, and type of visit. These details ensure your feedback is linked to your visit.