But Jelagat then injected a 16 : 42 split between 20km and 25km to open up a gap of a few seconds on the home favourite .
Jelagat finished second in Boston last year .
But Jelagat , who finished second in Boston last year , then injected a 16 : 42 split between 20km and 25km to open up a gap of a few seconds on the home favourite .