Brave Border Reivers narrowly missed pulling off their best ever Celtic League triumph at Netherdale.
Border Reivers (19) 34
Tries: Moffat, Townsend, Walker
Cons: MacRae 2
Pens: MacRae 5
Leinster (27) 35
Tries: Heaslip, McCormack, Green, Contepomi 2
Cons: Contepomi 2
Pens: Contepomi 2
Jamie Heaslip, Ronan McCormack, Will Green and Felipe Contepomi all touched down to give title-chasing Leinster a 27-19 half-time lead.
Borders battled back as Gregor Townsend and Nikki Walker added tries after the break to set up a tense finale.
But Contepomi's second penalty and try were enough for the Irish outfit to hold on and win by a single point.
Border Reivers: Moffat, Danielli, MacDougall, MacRae, Walker, Townsend, McKearchar, McGee, Scott, Douglas, MacLeod, Palepoi, Dalziel, Brown, Gray.
Replacements: King for MacDougall (70), Thomson for McGee (73), Stewart for Palepoi (57), Miller for Brown (75), Sititi for Gray (50).
Not Used: Kay, Weston.
Leinster: Dempsey, Kearney, O'Driscoll, Horgan, Hickie, Contepomi, Easterby, McCormack, Blamey, Green, Williams, O'Kelly, Ronan, Gleeson, Heaslip.
Replacements: Byrne for McCormack (57), Jowitt for Ronan (50).
Not Used: Blaney, Miller, O'Riordan, Hepworth, Brown.
Ref: Neil Ballard (WRFU).