To participate in the Dunkin’ Donuts survey at https://www.dunkinrunsonyou.com.co/, you can follow these steps. First, you can visit the website and select your preferred language. Next, enter the 18-digit survey code printed on your receipt. If your receipt does’nt have a 18 digits survey code, you can enter the store number, date, and time of your visit. Then, answer the All survey questions honestly based on your recent experience at Dunkin’ Donuts. Once you complete the survey, you may receive a validation code to redeem the offer printed on your receipt. Your feedback is valuable to Dunkin’ Donuts, and they appreciate your participation in their survey.