Lamont Marshall narrowly missed breaking his indoor 5,000 metres Bermuda record when he ran 14min 19.31sec in Boston.A year after setting the national record of 14:16.37, he aimed to challenge that at the Boston University David Hemery Valentine Invitational.Despite a blistering 31-second final 200 lap, he ended up outside the record. He finished tenth in his heat, one of six, and seventeenth overall once all the times were collated for the 108 finishers.Marshall is set to return to Boston in two weeks’ time to have another crack at the 5,000 record.