Ebner took a leave of absence from the Patriots in May to begin his training. He is scheduled to rejoin the Patriots after the Aug. 6-11 Olympic rugby competition.
Ebner was an All-America rugby player at Ohio State before the Patriots selected him in the sixth round of the 2012 draft.
The Patriots re-signed Ebner, who was unrestricted free agent, to a two-year contract in May. Financial terms were not disclosed.
Information from ESPN's Adam Schefter was used in this report.