A police report stated footage appeared to point out 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 a substitute wishing them a “blessed day”.
Following her arrest, USA Observe and Area stated it was “conscious of the stories” however would “not be commenting on this matter”.
Coleman completed sixth in Sunday’s 200m males’s remaining, with world champion Noah Lyles claiming first with a time of 19.63 seconds.
Melissa Jefferson-Picket ran a private better of 21.84 seconds within the ladies’s 200m remaining to finish a dash double after clinching the 100m two days earlier.