Grand Slam Observe is investigating the alleged abuse of three-time Olympic gold medallist Gabby Thomas at a meet in Philadelphia over the weekend.

The American sprinter posted on X, exterior on Monday to say {that a} man had adopted her across the observe after which shouted private insults at her as she signed autographs for followers.

“Actually the heckling is tolerable, it is following me across the stadium that is wild,” Thomas, 28, wrote in a later submit.

She added that “anyone who permits him on-line is gross”.

Responding to a earlier Thomas submit, a person shared a video of him heckling the sprinter on the beginning line of the 200m, by which Thomas was narrowly overwhelmed by Melissa Jefferson-Picket, and stated the end result helped him win a guess.

“I made Gabby lose by heckling her. And it made my parlay win,” he wrote.

In a press release to The Athletic, exterior, the occasion organisers stated: “Grand Slam Observe is conducting a full investigation into the reprehensible behaviour captured on video.

“We’re working to determine the person concerned and can take applicable motion as crucial.

“We are going to implement further safeguards to assist stop incidents like this sooner or later. Allow us to be clear, despicable behaviour like this won’t be tolerated.”