From going down the entry list, here are the elites (by bib number, you can search and verify these)
Men's
1 Sisay Lemma ETH (2:04:08, Dubai 2018)
2 Stephen Kwelio Chemlany KEN (2:06:24, Seoul 2014)
3 Bazu Worku ETH (2:05:25, Berlin 2010)
4 Mekuant Ayenew ETH (2:09:00, Prague 2017)
5 Galen Rupp USA (2:09:20, Chicago 2017)
6 Suehiro Ishikawa JPN (2:09:10, Otsu 2013)
7 Duncan Maiyo KEN (2:09:25, Eindhoven 2016)
8 Yuma Hattori JPN (2:09:46, Tokyo 2017)
9 Afework Mesfin ETH (2:09:49, Dubai 2013)
11 Japhet Kosgei KEN (2:08:88, Kosice 2015)
12 Barselius Kipyego KEN (2:13:06, Ljubljana 2017)
14 Oleksandr Sitkovskyy UKR (2:09:11, Marrakech 2015)
15 Asefa Tefera ETH Debut?
16 Felix Kibitok KEN Debut
17 Belay Tilahun ETH Debut
Women's
F1 Amane Beriso ETH (2:20:48, Dubai 2016)
F2 Amane Gobena ETH (2:21:51, Tokyo 2016)
F3 Belaynesh Oljira ETH (2:24:57, Houston 2018)
F4 Sara Moreira POR (2:24:49, Prague 2015)
F5 Flomena Chepchirchir KEN (2:23:00, Frankfurt 2013)
F6 Meseret Mengistu ETH (2:23:26, Paris 2015)
F7 Risper Chebet KEN (2:27:23, Prague 2016)
F8 Koren Jelela ETH (2:22:43, Toronto 2011)
F9 Bornes Jepkirui Kitur KEN (2:28:48, Mumbai 2018)
F10 Susan Jeptoo KEN (2:30:57, La Rochelle 2017)
https://www.runczech.com/srv/www/qf/en/ramjet/event/runnerList?eventId=21429
LRC note: Thank you juddy96. We confirmed his entry with race organizers
http://www.letsrun.com/news/2018/04/galen-rupp-run-prague-marathon-may-6th