Hurdlers over 90 are rare. Steeplechasers over 90 are rarer still. In fact, according to mastersrankings.com, only two M90 men — Americans Dixon Hemphill and George Roudebush — have run the 2000-meter steeple since Charles Ross set the listed world record of 18:54.10 in 2013. (But Charles also has a nonratified 18:27.44 from 2013.) At the time, I reported that Charles was the world’s first M90 steepler. So it should be something to celebrate that M90 Gunnar Linde is entered in the 2K steeple this Sunday at West Los Angeles College. He’ll run in the USATF-sanctioned Southern California Association USATF…