Leo the Lion also proved to be a hit off the pitch, meeting supporters and posing for photographs as the crowd enjoyed the fine conditions.
Click here to view LTV's footage of the day.
Leinster will travel to Longford RFC in a fortnight's time (Friday, August 5) for their second open training session of the 2011/12 season. The action starts at 11am and admission again is free and open to all.
Leinster Rugby has undertaken a series of pre-season open training sessions across the length and breadth of the province.
They have visited the likes of Boyne, Clondalkin, Edenderry, Kilkenny, Malahide, Mullingar, Portarlington, Portlaoise, Tullamore, Wexford Wanderers and Wicklow in recent years.
Tickets for the Leinster's two Bank of Ireland Series pre-season fixtures, against Southern Hemisphere Super 15 opponents Melbourne Rebels and the repeat of the Heineken Cup final against Northampton Saints, are on sale here.