In May 2018, Davide Raineri of Italy turned 45 and began dismantling national age-group records, running 800 in 1:57.76, 1500 in 3:54.68 and 3000 in 8:27.50. But he didn’t reach my radar until David Westenberg sent me a heads up Thursday night. Competing in one of the masters events at the Rome Diamond League meet, Davide ran the mile in 4:13.96. That’s not the fastest M45 mile on record, but he’ll likely get credit for a WMA world record, since the listed best is 4:16.09 by American Tony Young (also 46) in 2008. (Tony ran 4:13.25 a year later on…