Nike's OOH campaign for the Chicago Marathon is a strategic move to motivate runners and boost brand engagement. The series of billboards features punchy, relatable slogans designed to inspire runners during tough moments and encourage them to keep going. This approach works well as it taps into the emotional and psychological challenges of marathon running, providing a sense of camaraderie and support. By placing these messages where runners can see them, Nike not only motivates participants but also reinforces its brand as a supportive and understanding partner in athletic endeavors.