St Mary's extended their unbeaten run in the All-Ireland league when they proved too experienced for Ballymena at Eaton Park, running out winners 20-15.

Fly-half Barry Lynn had a hand in tries by Kieran Lewis and substitute Peter Copeland in the 21st and 26th minutes that left Ballymena facing a 14-0 deficit. Lynn converted both scores. Lynn copper-fastened St Mary's victory with a further penalty three minutes from time.

UCD lost touch with the league leaders when they were narrowly edged out by Galwegians 22-19.

Bryan Shelbourne struck five penalties in Galwegians' dramatic injury-time win over previously unbeaten UCD at the Belfield Bowl.

Terenure moved to second in the table with a 24-10 triumph over last season's champions Dungannon.

Terenure took advantage of the Ulster side who looked short on ideas and gave away too many penalties.

Richard Governey did the damage for Terenure with his boot, chalking up 14 out of a possible 19 points with his boot.

Shannon furthered their league challenge with a 16-9 win over DLSP.

In near perfect condidtions the rugby on show was below standard. After a fourth-minute penalty, Shannon finally went further ahead close to half time when they were awarded a penalty try as DLSP collapsed a scrum which proved to be the difference in the end.

A brace of tries brought Lansdowne to within a converted try but the game was put within doubt after fly-half Billy Murphy kicked a splendid penalty for 40 metres. Carlow also secured a bonus point for four-try haul.

A last minute try by number eight Ben Gissing, coolly converted by substitute Jim Dempsey, earned Clontarf a deserved share of the points in a 26-26 draw with Garruowen at Dooradoyle on Saturday.

The Dublin side found themselves 14 points behind with only 10 minutes to go after a poor first half affair had ended level on six points each.

But Garryowen gained the upper hand on the turnover, with John Langford hugely influential in the lineout and Billy Treacy looking a potential match-winner as he knocked over three dropped goals and four penalties.

Clontarf's Mark Woods and Dave O'Brien landed their early penalties, and after Dempsey came on for Woods, he kept the scoreboard ticking over. Andy Cullen scored their first try, and finally they drew level when Gissing forced his way over and Dempsey's conversion was the last kick of a hard-fought and enjoyable second half.

Elsewhere the Buccaneers triumphed 31-13 over Young Munster at Ericsson Park.

It was the home side's youngsters, in particular Colm Glynn, Ted Robinson, and Justin Meagher who turned this game in favour of the Buccaneers.

A resurgent Buccaneers side took control of thegame in the second half repelling every Young Munster attack, which was not helped by some errant kicking.

In the final game of the weekend, Cork Constituion saw off Blackrock 36-28. The result was never in doubt and if it were not for the fact they adopted a relaxed attitude to the closing 10 minutes of the match could have done so by more.

D.L.S.P 9-16 Shannon
U.C.D 19-22 Galwegians
Garryowen 26-26 Clontarf
Co. Carlow 30-20 Lansdowne
Buccaneers 31-13 Young Munster
Terenure College 24-10 Dungannon
Ballymena 15-20 St. Mary's College
Blackrock College 28-36 Cork Constitution