Those times almost exactly match my PBs at 100, 200, 400 and 800. (All of these except 800 - which only came down another second - were set by the time I was 16-17, and I suspect that would still be the case even had I run any competitive sprints after I left school).
What a coincidence! My PB for 800m still stands at 2:17 from Zones Championships aka State Champs semi-finals, which I also ran at my last Athletics carnival. Haven't been doing sprints training for over 3 months which is a shock on my hamstrings but I figure it's just a case of DOMS.
Scarily close times though!