The Oklahoma State Cowgirls women’s golf team is heading to the NCAA Championships once again. Marta Silchenko was a huge part of qualifying. The Latvia native is having one of the best junior seasons in Oklahoma State history. After firing a 4-under 66 in the final round of the NCAA Chapel Hill Regional on Wednesday, she finished at 6-under for the tournament and shared medalist honors with Princeton’s Thanana Kotchasanmanee. Silchenko and the Cowgirls get to rest a bit before heading to California for nationals. After the conclusion of the tournament, she reached four new career milestones per OKState.com . Marta Silchenko’s New Career Milestones First was her round. Her 66 on Wednesday included five birdies and one bogey. By finishing at 66, she set a new career best . At the time she ended her round, she was in the lead by herself before Kotchasanmanee caught her late in the third round. The bogey, which was on her final hole, prevented her from solo medalist honors and a lower round.…