A couple months before the 2015 Lyon masters world championships, Carol Frost of Nebraska set a W70 world record in the 500-gram javelin. Saturday in Croatia — about two weeks before she competes in Malaga worlds — Jarmila Klimešova of the Czech Republic improved Carol’s record by almost exactly five feet. Jarmila threw 29.32 meters (96-2) at a six-nation masters meet in the Croatian town of Čakovec. Carol’s listed WR was 27.78 (91-1 3/4). So how did Carol do at Lyon? She took gold provigil with a 25.58 (83-11 1/4). Thus I’ll go out on a limb to predict Jarmila…