<p>The swimming season has barely started and two St. Francis-Mountain View swimmers have already broken three national prep records.</p><p>Swimming at a nonleague meet at Menlo School-Atherton on Wednesday, senior Curtis Ogren shattered the short-course meters mark in the 200-meter individual medley, clocking 2:00.48. The previous record was 2:05.27, held by Nic Fink, who swims collegiately for Georgia.</p><p>Ogren added another national best when he swam the 100-meter breaststroke in 1:00.90, breaking Fink's former record of 1:02.63, set while swimming for The Pingry School in Martinsville, N.J.</p><p>Sophomore Ben Ho eclipsed the national record in the 100-meter backstroke when he swam a 56.10, passing Reese Shirey's 56.26. Shirey, who set the previous mark at The Baylor School in Chattanooga, Tenn., is a former collegiate swimmer at Alabama.</p><p><a href="http://www.mercurynews.com/peninsula/ci_25292811/ogren-ho-eclipse-national-prep-swim-records">Keep reading...</a></p>