Here are the top performers in 2013 for the 10,000 meters. Note the predominance of East African runners. Also note that the fastest guy from GB is named Mohamed and that the fastest guy from Canada is named Mohammed.
1 26:51.02 Dejen Gebremeskel ETH
2 26:52.85 Abera Kuma ETH
3 26:57.33 Imane Merga ETH
4 27:12.08 Kenenisa Bekele ETH
5 27:13.12 Bedan Karoki Muchiri KEN
6 27:14.34 Birhan Nebebew ETH
7 27:15.51 Yigrem Demelash ETH
8 27:17.30 Vincent Kiprop Chepkok KEN
9 27:19.97 Teklemariam Medhin ERI
10 27:21.50 Paul Kipngetich Tanui KEN
11 27:21.71 Mohamed Farah GBR
12 27:22.23 Ibrahim Jeilan ETH
13 27:24.39 Galen Rupp USA
14 27:28.11 Atsedu Tsegay ETH
15 27:28.50 Kenneth Kiprop Kipkemoi KEN
16 27:28.71 Emmanuel Kipkemei KEN
17 27:29.21 Nguse Amlosom ERI
18 27:30.51 Edward Waweru KEN
19 27:31.07 Timothy Toroitich UGA
20 27:32.00 Goitom Kifle ERI
21 27:33.13 Leonard Barsoton KEN
22 27:33.38 Karemi Jeremiah Thuku KEN
23 27:35.76 Mohammed Ahmed CAN
24 27:37.55 Ben St.Lawrence AUS
25 27:37.90 Dathan Ritzenhein USA
26 27:38.15 Tariku Bekele ETH
27 27:38.31 Suguru Osako JPN
28 27:39.50 Yuki Sato JPN
29 27:40.44 Patrick Mutunga Mwikya KEN
30 27:40.81 Christopher Thompson GBR
http://www.iaaf.org/records/toplists/middlelong/10000-metres/outdoor/men/senior/2013