https://community.usms.org/swimming/f/general/2002/threadWith a background in sprinting, I never gave any thought to races longer than 200 yards or meters. While swimming 1800 yds (to approximate a mile), I began to wonder why a race distance of 1650 yards exists. Was the intent just to approximate a 1500 metersen-USTelligent Community 12https://community.usms.org/thread/10629?ContentTypeID=1Tue, 23 Dec 2003 15:39:36 GMT3187ac58-ba85-4314-b79a-c45cd885e09a:9787e9e7-2370-4c25-9783-a92cb4adc9d3Former Member1650 yards is almost exactly the same distance as 1500 meters (there&#39;s only a few feet difference).<div style="clear:both;"></div>