But erratic bursts of adrenaline hit if he jumps his pace too hard , so he must listen to his body and slow down .
He 's still competitive ; he won his age group in his 14th Lilac race a year ago , in 43 minutes and change .
Erratic bursts of adrenaline hit if he jumps his pace too hard , so he must listen to his body and slow down .
He 's still competitive ; he won his age group in his 14th Lilac race a year ago , in 43 minutes and change .