Marian Heffernan

Marian Heffernan (born 16 April 1982) is an Irish athlete who competed in the women's 4 × 400 metres relay at the 2012 Summer Olympics.^[1] Heffernan is fifth in the all-time Irish record books for the women's 400 metres.

Marian Heffernan

Personal information
Born	(1982-04-16) 16 April 1982 (age 43)
Height	1.71 m (5 ft 7+1⁄2 in)
Weight	63 kg (139 lb)
Sport
Country	Ireland
Sport	Athletics
Event	4 × 400m Relay

She is married to Irish Olympic race walker Rob Heffernan, with whom she has a son, Cathal, who is a footballer.^[2]