During the U.S. Half Marathon Championship held in Atlanta, a leading runner, Jess McClain, lost her way on the course approximately three kilometers before the finish line after following a leading vehicle that had strayed off the designated route. This incident has marred the competition, as official winner Molly Born has stated that she does not consider herself the true winner and has declined a spot at the World Championships if offered, indicating the moral implications stemming from the race's mismanagement.

The USA Track and Field organization is now investigating the situation and will make a decision in May regarding whether to allocate slots for the upcoming World Championships based on official results or the moral standings post-incident. The event organizer, Atlanta Track Club, has accepted responsibility for the error, claiming that the lead vehicle had to veer off the route due to an emergency situation, which directly led to the confusion among the athletes.

This mishap occurred during the event on the first of March, and it is still under scrutiny, particularly focusing on how athlete positioning was affected by the leading vehicle's actions. Following McClain, other competitors such as Emma Grace Hurle continued to compete for the top spots, highlighting the controversy surrounding the outcomes of the race and the integrity of the championship.