The Olde Blue hosts the Annual Olde Blue Weekend, aka OBW. OBW is invitation for all former UMRFC players to return to Ann Arbor for event filled weekend, including traditional Thursday practice & pub, Friday golf outing & formal dinner, Saturday rugby matches & outdoor party, ending with Sunday brunch. The weekend highlight is match between current collegiate UMRFC team and a selection of returning Olde Blue. Rugby matches continue throughout the day.