'Nure secure bragging rights after putting away St Mary's
The 'Battle of Dublin 6W' turned into a procession for second-placed Terenure College as they recorded a 35-5 bonus-point win over neighbours St Mary's College to stay on course for an Ulster Bank League home semi-final.
Ireland's Grand Slam-winning coach Joe Schmidt brought the Six Nations and Triple Crown trophies along for the big derby at Lakelands Park and was part of a bumper crowd that saw his son Tim's Terenure side rubber-stamp their Division 1A title credentials.
Flanker Cathal Deans' try after just 30 seconds set the hosts on their way and 'Nure never looked back from that point.
Third-placed Cork Constitution are on a collision course with Terenure, who they host in two weeks' time. Con head into a crucial few weeks in encouraging form after a 39-22 bonus-point success against UCD at Belfield.
Leaders Lansdowne amassed a merciless 11 tries in their 78-28 rout of Dublin University on the Aviva Stadium's back pitch. There were try braces for Eamonn Mills, Mark O'Keefe and Alan Bennie, with Scott Deasy, the division's leading scorer, bagging 24 points.
Ireland U-20 hooker Diarmuid Barron crossed for two tries, including the match-winner three minutes from time, as Garryowen edged out play-off rivals Clontarf 35-30 to move back into the top four.
Young Munster remain play-off contenders after teenage winger Luke Fitzgerald's 67th-minute try proved decisive in their hard-fought 24-20 win over bottom side Buccaneers.
Meanwhile, Ballynahinch still lead Division 1B by a point after their 26-15 dismissal of Dolphin.
Dubarry Park hosted the IRFU Women's All-Ireland Cup, Plate and Shield finals on Saturday, as a strong second-half showing from Railway Union saw them claim the top prize after a 33-3 victory over UL Bohemians.
Bohs scored first with Aine Staunton's penalty. Railway No 8 Emma Taylor then touched down, with 15s and sevens star Nikki Caughey converting for a 7-3 interval lead.
The second-half was all Railway as they steamrolled their way to the cup.
In the Plate final, Blackrock produced a fine display to overcome St Mary's College, 29-19.