Steven Gomez-Restrepo was in a medically-induced coma at Morristown Medical Center since the Sept. 13 incident on Route 46 in Rockaway.
He died Sept. 21 at 15 years old.
Faith-based leaders lead a prayer service Friday evening in a park across from Morristown Medical Center, where Gomez-Restrepo had been for the past week in critical condition.
Steven was a distance runner for the DHS track and cross-country teams.
"It is with great sadness that we announce the loss of a dear member of our track family," the team said in a Tweet.
"The DHS sophomore that was struck by a car last week has lost his fight. #RIPSteven"
Check back for funeral arrangements.
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