Usain Bolt to run 800m event, but still retired

Usain Bolt: 800m sprinter.

That’s right, the now-retired world’s fastest man is not only changing diapers these days but also distances as he makes a brief comeback for a promotional race.

The new father of twins selected the 800m, a two-lap endeavor measured in minutes, not seconds, like he’s more accustomed. The training has been grueling for the 100m and 200m world record-holder but has made him miss the action.

Sort of.

“When I go to the track and start training, then I don’t miss it that much,” cracked the 34-year-old Bolt, whose nearly 13-year reign as Olympic champion in the 100m and 200m will come to an end at the Tokyo Games. “I’m excited to be training and just running and seeing what…