Miami Marathon runner dies. It could be first death in event’s history
A 33-year-old man running the Miami Marathon with thousands of other participants on Sunday collapsed during the race and later died, authorities confirmed Wednesday.
Julien Autissier suffered a “medical emergency” during the 26.2-mile race, which started at the Kaseya Center in downtown Miami, said a Miami Fire Rescue spokesperson.
The Miami New Times reported Autissier collapsed around the 19-mile mark and was from Boca Raton.
He was rushed to Mercy Hospital, but died. His cause of death has not been officially confirmed, but Miami police told the Miami Herald he possibly suffered a cardiac arrest. The Miami-Dade Medical Examiner’s Office said Autissier’s cause of death is still pending.
According to Herald archives, Autissier’s death appears to be the first in the race’s 24-year history.
Life Time Miami, the organizer of the event, affirmed in a statement that medical, safety and weather-related protocols were in place. The organization also said it will “carefully review what occurred to ensure we are supporting the safety and well-being of our athletes.”
“The death of Mr. Autissier in our Miami Marathon is deeply felt, and our thoughts are with his family and loved ones during this incredibly difficult time,” the statement read.
This story was originally published January 28, 2026 at 5:32 PM.
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