In late August, 61-year-old Dan King of Boulder, Colorado, traveled 1,600 miles to Columbia, South Carolina, and came away with a mile mark of 4:49.08 (see results) — crushing the listed M60 world record of 4:51.85 by Kiwi Tony McManus in 2012 and American record of 4:53.01 by Nolan Shaheed the same year. On Runner’s World, Sarah Lorge Butler wrote: “Behind two pacers—Jackson Neff and John Minen, who earlier in the meet had run the open mile—King clicked off 72-second laps, going hard from the gun.” (The actual splits were 73.57, 71.31, 72.29 and 71.91.). She quoted Dan as saying:…