Last Updated on March 29, 2013 by Jimson Lee Can you use your 150 meter fly time in practice to determine your 400 meter performance?  A 150 fly is simply running 160 meters and timing the last 150m. Yes and No. First it would be scary to consider Usain Bolt’s 14.35 150 meter fly time … Continue reading 150 Meter Fly Time to Project your 400 Meters