Dunkin' teamed with Dove to celebrate National Coffee Day on September 29, 2018. The promotion offered one lucky winner a year's supply of coffee and dry shampoo—both in celebration of National Coffee Day and to support women everywhere who are "running on coffee and dry shampoo." Entrants either posted a photo on Instagram or Twitter of their busy morning explaining why they run on Dunkin' coffee and Dove dry shampoo (using hashtags #DoveXDunkin and #DxDSweepstakes) or visited DoveXDunkin.com to upload the photo directly. Even if they didn't win the grand prize, 15 first-prize winners received a $25 Dunkin' Donuts gift card and five bottles of dry shampoo. The sweepstakes is opened September 29 and ran through November 8, 2018.