KINGSTON, Jamaica — There are signs that Thursday’s final of the Class 1 boys 400m could be historic after seven athletes dipped under 47.00 seconds in Wednesday’s semifinals at the ISSA/GraceKennedy Boys and Girls Athletics Championships at the National Stadium. Title chasing Jamaica College will have two athletes in the final as well as William Knibb Memorial. Jamaica College’s Makaelan Woods was the fastest qualifier with 46.39 seconds, ahead of...