In Division 1B, MU Barnhall moved to top spot after they secured an important victory away to Enniskillen, handing the Ulster side their first defeat. Ballincollig delivered a dominant attacking performance away to Cooke to sit fourth, while Ennis got the better of Tullow in another entertaining weekend of women's rugby to move second.
Blackrock College made a major statement with a 59-12 victory over Old Belvedere at Ollie Campbell Park, running in nine tries in their Dublin derby.
Kate Farrell McCabe led the way with a hat-trick, crossing in the 4th, 27th and 81st minutes, while captain Maeve Og O'Leary and Destiny Moses also touched down inside the opening 12 minutes. Blackrock established a commanding 28-7 half-time advantage, with Elisa McGabhann crossing for Belvedere in the 35th minute and Ellen Jane O'Sullivan Sexton adding the conversion.
The visitors continued their dominance after the restart, with Ava Fannin and Meabh Deely scoring in quick succession before Regan Casey and Megan Thornton added further tries.
Clare Gorman crossed for Belvedere in the 53rd minute, but Blackrock's attacking power proved decisive, with Abby Moyles contributing seven conversions.
UL Bohemian made it three wins in a row with a 19-10 victory over Galwegians at Crowley Park.
The hosts made the brighter start when Emily Foley crossed in the 18th minute, but UL Bohs responded through Teni Onigbode five minutes later. Abbie Salter-Townshend added another try in the 36th minute, with captain Kate Flannery converting both first-half scores.
Galwegians responded shortly after the restart through Saoirse Lawley to keep themselves in contention, but Eabha Nic Dhonnacha crossed in the 75th minute to secure the victory for UL Bohemian.
Railway Union returned to winning ways with a 24-15 victory over Wicklow at Park Avenue.
Wicklow opened the scoring through Usha Daly O'Toole in the 21st minute, but Christina Byrne responded for Railway shortly after the half-hour mark to leave the sides level at 5-5 at the interval.
The visitors regained the lead through Shannon Codd shortly after the restart, but Railway took control through tries from Emma Fabby and Grainne Gavin, both converted by Heidi Lyons. Sloane Rangitaawa crossed in the 68th minute to bring Wicklow back into contention, but Railway captain Claire Boles secured the victory with a fourth try in the 74th minute.
In Division 1B, Ballincollig produced the biggest victory of the round with a 48-19 win over Cooke at Shaw's Bridge, inspired by an extraordinary six-try performance from Heather Kennedy.
Eva O'Sullivan opened the scoring after just three minutes before Kennedy crossed twice in quick succession. Alison Kelly added another try in the 12th minute, while Kennedy completed her first-half hat-trick in the 28th minute as Ballincollig established a 31-5 interval advantage.
Cooke responded through Amy McConkey shortly before half-time, but Ballincollig continued to dominate after the restart. Kennedy crossed twice more inside the opening ten minutes of the second half before completing her remarkable six-try haul in the 78th minute.
Cooke battled back through tries from captain Megan Simpson and Freya Boyce, with Elise McDermott and Becky Irvine adding conversions, but the visitors secured a comprehensive victory.
MU Barnhall maintained their impressive form with a 29-19 away victory over Enniskillen.
Abby Healy opened the scoring with an early penalty before Holly Leach crossed in the tenth minute, with Healy adding the conversion. Enniskillen responded through Stacey Sloan in first-half stoppage time, with Eve Balfour converting to leave the hosts trailing 10-7 at the interval.
Catlin Crowe crossed shortly after the restart to put Enniskillen ahead, but Barnhall responded through Prudence Isaac in the 52nd minute. Lia Branigan added another try in the 67th minute before replacement Aoibhín Smith crossed in the closing stages to secure the bonus-point victory. Zara Flack scored a late consolation try for Enniskillen, but Barnhall had already established a decisive advantage.
Ennis secured a convincing 31-14 victory over Tullow at Rathoe Road, with Aoibheann Hahessy crossing twice in a five-try performance.
Hahessy opened the scoring after seven minutes before Abi Kelly added another try in the 18th minute. Tullow responded through Lilly Murphy in the 25th minute, with Hilary Fitzgerald converting, but Aoibhin Donnelly crossed shortly afterwards to restore Ennis' advantage. Roisin Kinch added a second try for Tullow before half-time, again converted by Fitzgerald, to leave the hosts trailing 17-14 at the interval.
However, Ennis took control after the restart, with Takiah Buchanan crossing in the 47th minute before Hahessy completed her double three minutes later. Fia Whelan contributed three conversions as Ennis secured an important away victory to round off another entertaining weekend of Energia All-Ireland League women's action.