The fundraising drive by the FTD Brothers, who have strong links to the Shannonside region, has now raised over €2 million.
Jordon and Cian Adams did 33 marathons in 33 days, including one in every county in Ireland.
They raised almost €2.1 million for the FTD Brothers Foundation and the Alzheimer’s Society of Ireland.
Their mother, Geraldine, died from frontotemporal dementia and genetic tests confirm they’ll develop the condition.
Twelve of their Irish relatives have died from the illness, including their grandmother from Mohill, Co Leitrim.
Castlerea senator Gareth Scahill was at the finish line in Dublin city yesterday to support them: