Martin is the most recent British male winner of the London Marathon, where he recorded a time of 2:10:50, winning the 1993 race in a sprint finish against the Mexican athlete Isidro Rico. The race was Martin's debut marathon and he went on to win the Chicago Marathon in 1995, in a time of 2:11:18.

As a junior, Martin won a national title at the English Schools Athletics Association Cross-Country Championships in 1973 ahead of runner-up Steve Ovett.^[2] He went on to compete at the top level in track, cross country, and road racing. He was the National Cross-Country Champion in 1984 and 1992 and he won the Belfast International Cross Country race in 1991. He competed at the 1984 and 1988 Summer Olympics, finishing thirteenth in the 5000-metre final in 1984, and dropping out of the 10,000-metre final in 1988.^[3]

He represented England at the 1990 Commonwealth Games in Auckland, New Zealand, winning a gold medal in the 10,000 metres event in a time of 28:08.56.^[4][5] Four years later he represented England at the 1994 Commonwealth Games in Victoria, British Columbia, Canada.^[6][7][8]

Martin currently works for HORIBA MIRA Ltd.,^[9] and formerly worked for Ford.^[10] In 1993, his son, also called Eamonn, was born.^[10] His daughters, Lydia born 1986, and Rose born 1989, are active runners.^{[citation needed]}

• Eamonn Martin at World Athletics  
• Eamonn Thomas Martin at Olympics.com
• Eamonn Martin at Olympics at Sports-Reference.com (archived)
• Senior men’s winners of the English National Cross-country Championships