Athlete hit by car during marathon, seriously injured (South Korea)

During the National Athletic Meet half marathon, a runner was hit by a car. In the video released by MBC on the 15th, a traffic cone was set up in the second lane of the road.
An athlete was running on a road in Gimhae, Gyeongsangnam. However, a car suddenly turned around and entered the restricted lane, hitting the athlete in front of him.
The player who fell was unable to get up, clutching his ankle. A witness said, "A car went straight and hit the player from behind."
According to the Gimhae Central Police Station, at around 11:34 a.m. on the 15th, during the National Athletic Meet Half Marathon, a cyclist crossed the restricted area (1st and 2nd lanes).
While running in the general men's division of the Gyeonggi Province Athletic Association, athlete A in his 20s was hit by a car driven by a man in his 70s, Mr. B.
Mr. A reportedly broke his left shin bone in the accident and is currently receiving treatment at a hospital in the metropolitan area.
According to a police investigation, before the accident, Mr. B was driving in the third lane of the driving section, but after turning right, he entered the second lane of the restricted section.
The race staff noticed this and guided B's car to the third lane, but it ended up hitting A, who was driving in front of him. B guided B to the third lane.
It was reported that B misunderstood the instructions of the event staff and entered the lane where the athletes were driving, causing the accident. At the time, the speed of the car B was driving was about 20 kilometers per hour, but B
The police are investigating the circumstances of the accident based on the vehicle's dashcam and the driver's statement, but are also investigating whether there were any problems with safety management.
The plan is to verify whether this has been the case.