Commonwealth Games gold medallist and Olympics-bound woman discus thrower Krishna Poonia today created a new national record en route to her silver medal winning performance at the Altius Track Crew Throwdown meet in Hawaii. At Maui Island, Krishna hurled the discuss to 64.76 meters to not only pocket the medal but also break Seema Antil's existing national record of 64.64 meters.After her first attempt was called foul, Krishna threw the discuss to 56.96, 64.76, 62.68, 61.55 and 63.68 meters respectively to end her campaign on an impressive note in the Hawaii event.Reigning Olympic champion Stephanie Brown Trafton of USA won the gold medal with a throw of 66.86 meters, while GiaLewis-Smallwood pocketed the bronze with an effort of 63.97meters.