500 m 3:34.78+ January 26, 2013 Boston, MA
BU Terrier Invitational U.S. 2nd all-time
Mile 3:50.92 January 26, 2013 Boston, MA
BU Terrier Invitational [75] Formerly U.S. 2nd, now 4th, & World 5th, now 9th all-time
3000 m 7:30.16 AR, NR February 21, 2013 Stockholm, SWE
XL Galan World 7th all-time
2 mile 8:07.41 AR, NR January 25, 2014 Boston, MA
BU Terrier Invitational [76] Formerly World 6th, now 7th all-time
above rupp was on a roll where he was good for 349 mile sure, after all he ran 350 mile indoors.
and some of the other races above were not optimal pacing.
so that moroon vertolin was right in suggesting rupp could go faster at 5k.
https://en.wikipedia.org/wiki/Galen_Rupp
also 5th in the OG for 5k, means you can go 1250 pretty much certified in ability, you just need the right race to do it.
all of the above is basic understanding for anyone who's been involved at that level. coaches, athletes.
so learn up