Objective: To assess health-related fitness, physical activity correlates, and completion of a half-marathon using a 3-day training program in a college community. Methods: 26 volunteers participated in a 20-week, half-marathon training program. Results: All participants completed the half-marathon. Positive changes in health-related fitness and psychological correlates associated with future exercise participation were observed. Conclusions: Incorporating strategies that address physical activity correlates and barriers may increase adherence to a program with a challenging goal such as training for a half-marathon. A low-frequency program was sufficient for increasing health-related fitness and psychological factors related to exercise participation of campus community.