Dalbey won two gold medals at the1988 Summer Olympics in Seoul, South Korea.[2] He won his first gold medal as a member of the winning U.S. team in themen's 4×100 meter freestyle relay, together with teammatesChris Jacobs,Tom Jager andMatt Biondi. He won a second gold medal with fellow AmericansMatt Cetlinski,Doug Gjertsen and Matt Biondi in themen's 4×200 meter freestyle relay. Dalbey and his American relay teammates set new world records in the event finals of both the 4×100-meter (3:16.53) and the 4×200-meter (7:12.51) events.[3] While celebrating his victories with Doug Gjertsen in a Korean bar, they removed a marble lion's head wall decoration and were arrested by the Korean police. Dalbey and Gjertsen resigned from the U.S. Olympic team, apologized to their Korean hosts in writing, and no formal charges were filed by the Korean prosecutor;[4] Dalbey subsequently received an 18-month suspension from competitive swimming.
Dalbey transferred toArizona State University in Tempe, Arizona after the 1988 Olympics, and finished his college swimming career swimming for theArizona State Sun Devils swimming and diving team. He received four more All-American honors as a Sun Devil swimmer in 1991.
After Dalbey retired from competition swimming, he spent several years as a swim coach, helping train other elite level swimmers, including 2 who competed in the 1996 Summer Olympic Games in Atlanta.
He now has 3 children, Jade, Tess and Tristan Dalbey. He is currently an executive in the renewable energy industry, residing in Scottsdale, AZ.