Derek Morgan, 34, of Fort Lauderdale posted a time of one hour, 31 minutes and 35 seconds.
Miami resident Caroline Klosowski, 25, ran 01:53:10 to win the women’s division.
In the event’s 4-Mile division, the overall men’s winner was 15-year-old Colin Chivers of Davenport, Florida, with a time of 26:26. Julie Kellett, 35, of Belmont, Massachusetts, placed first in the women’s division with 28:36.
Organizers said the event attracted 499 participants to traverse roadbed and the Jewfish Creek Bridge at the top of the Florida Keys Overseas Highway.
The 2020 race is scheduled Saturday, Nov. 14.
Key Largo Bridge Run: https://www.