Career The four Americans set a new world record of 3:16.53 in the event final. Jacobs and the medley relay team set another new world record of 3:36.93.
Achievements Jacobs won two gold medals and a silver while representing the United States at the 1988 Summer Olympics in Seoul, South of Korea. He received his first gold medal as the lead swimmer for the winning United States. team in the men"s 4×100-meter freestyle relay, together with teammates Troy Dalbey, Tom Jager and Matt Biondi. He then won another gold medal swimming the anchor freestyle leg of the men"s 4×100-meter medley rely for the first-place United States. team of David Berkoff (backstroke), Richard Schroeder (breaststroke), and Matt Biondi (butterfly). Individually, he received a silver medal for his second-place performance in the men"s 100-meter freestyle event, finishing in 49.08 seconds.