Americans who have gone sub 27:28.00.
1 26:44.36 Galen RUPP 08 MAY 1986 USA USA 1 Eugene, OR (USA) 30 MAY 2014 1251
2 26:59.60 Chris SOLINSKY 05 DEC 1984 USA USA 1f1 Palo Alto, CA (USA) 01 MAY 2010 1227
3 27:07.55 Shadrack KIPCHIRCHIR 22 FEB 1989 USA USA 9 London (GBR) 04 AUG 2017 1214
4 27:13.98 Mebrahtom KEFLEZIGHI 05 MAY 1975 USA USA 4 Palo Alto, CA (USA) 04 MAY 2001 1204
5 27:16.99 Abdi ABDIRAHMAN 02 DEC 1978 USA USA 7 Eugene, OR (USA) 08 JUN 2008 1199
6 27:20.18 Leonard KORIR 10 DEC 1986 USA USA 13 London (GBR) 04 AUG 2017 1194
7 27:20.56 Mark NENOW 16 NOV 1957 USA USA 1 Bruxelles (BEL) 05 SEP 1986 1193
8 27:22.28 Dathan RITZENHEIN 30 DEC 1982 USA USA 6 Berlin (GER) 17 AUG 2009 1191
9 27:24.67 Bobby CURTIS 28 NOV 1984 USA USA 2f1 Palo Alto, CA (USA) 01 MAY 2011 1187
10 27:25.61 Alberto SALAZAR 07 AUG 1958 USA USA 2 Oslo (NOR) 26 JUN 1982 1185
And due to the website we are on, number 98 28:06.58 Weldon JOHNSON 24 JUL 1973 USA USA 4 Palo Alto, CA (USA) 19 JUN 2003 1122
https://www.iaaf.org/records/all-time-toplists/middle-long/10000-metres/outdoor/men/senior?regionType=countries®ion=usa&page=1&bestResultsOnly=true&firstDay=1899-12-31&lastDay=2019-03-11