PAULA RADCLIFFE has retired from road racing after securing the Six Star Medal upon completing the Boston Marathon.

Radcliffe, 51, finished Monday’s race with a time of 2 hours 53 minutes 44 seconds, placing her 117th out of 12,447 women that took part.

The four-time British Olympian received the Six Star Medal given to runners who complete all six world marathon majors — Tokyo, Boston, London, Berlin, Chicago and New York City — and then announced it would be her final event on the road.