Claire started as a track runner but in 2009 won a place on Britain’s team for the World Half Marathon Championships in Birmingham by winning the UK trial on her home patch in Bristol in 72:03. She went on to become the first Briton home, a highly credible 25th.
The following September she lowered her half marathon PB to 72:02, scoring another victory in Bristol. Two months later she made her marathon debut, clocking 2:36.13 on the difficult New York course.
A natural sciences graduate from Cambridge University with a doctorate in immunology from Bristol. Hallissey has a unique way of recovering from marathons. She backpacked around Mayan ruins in Mexico shortly after the 2010 New York Marathon, while she recuperated after her Chicago performance last year by spending two weeks exploring the rainforests of Costa Rica.
The US-based athlete achieved the UKA ‘A’ qualifying standard at the Chicago Marathon in October 2011 with a time of 2:29:27 – a PB at the time. Prior to the London Marathon she finished 19th in the New York half marathon this year, just outside her PB.
A natural sciences graduate from the University of Cambridge, Hallissey hit the standard for London 2012 in Chicago last year and she set a personal best in finishing 11th in this year’s London Marathon.