A police report mentioned footage appeared to indicate Coleman being shoved right into a wall, earlier than Richardson threw an merchandise at him.
She was launched on Monday following the incident.
Coleman didn’t wish to take part within the investigation and “declined to be a sufferer”, the police officer’s report reads.
Richardson refused to talk to ready reporters after her warmth in Eugene, as an alternative wishing them a “blessed day”.
Following her arrest, USA Monitor and Subject mentioned it was “conscious of the studies” however would “not be commenting on this matter”.
Coleman completed sixth in Sunday’s 200m males’s last, with world champion Noah Lyles claiming first with a time of 19.63 seconds.
“She’s a human being and a fantastic individual,” Coleman mentioned about Richardson.
“She’s going to bounce again as a result of she’s one of the best feminine athlete on the earth.”
Melissa Jefferson-Wood ran a private better of 21.84 seconds within the ladies’s 200m last to finish a dash double after clinching the 100m two days earlier.