| Venue: Estádio Olímpico João Havelange (Estádio Nilton Santos-Botafogo), Capacity: 46,931. |
| Final 11:55 | time | | SO | bib | | 1. Conseslus Kipruto |  KEN | 8:03.28 | OR | 1 | 2684 | | 2. Evan Jager |  USA | 8:04.28 | SB | 13 | 3076 | | 3. Mahiedine Mekhissi |  FRA | 8:11.52 | SB | 12 | 2430 | | 4. Soufiane Elbakkali |  MAR | 8:14.35 | PB | 8 | 2740 | | 5. Yoann Kowal | FRA | 8:16.75 | SB | 9 | 2425 | | 6. Brimin Kiprop Kipruto | KEN | 8:18.79 | SB | 10 | 2683 | | 7. Hillary Bor | USA | 8:22.74 | PB | 3 | 3052 | | 8. Donald Cabral | USA | 8:25.81 | | 11 | 3055 | | 9. Altobeli Da Silva |  BRA | 8:26.30 | PB | 2 | 2130 | | 10.Matthew Hughes |  CAN | 8:36.83 | | 6 | 2200 | | 11.Yemane Haileselassie |  ERI | 8:40.68 | | 7 | 2340 | | -. Jacob Araptany |  UGA | DNF | | 15 | 3014 | | -. Hamid Ezzine | MAR | DNF | | 4 | 2743 | | -. Amor Ben Yahia |  TUN | DSQ | | 14 | 2990 | | -. Ezekiel Kemboi | KEN | DSQ | | 5 | 2678 |
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| Heats Monday 15.08 Morning |
| Entry Standard 8:28.00 to be obtained from May 1, 2015 to July 11, 2016. | | A National Olympic Comitee may enter up to 3 qualified athletes. | | NOCs may enter athletes regardless of time (1 athlete per sex) if they have no athletes meeting the entry standard. |
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| | | 36 qualified athletes as 10 June 2016 |
| No | NOC | 1. | 2. | 3. | | 3 | Canada | | | 3 | Ethiopia | | | 3 | Kenya | | | 3 | Morocco | | | 3 | Spain | | | 3 | United States | | | 2 | Algeria | Hicham Bouchicha | Bilal Tabti | | 2 | Russia | Nikolay Chavkin | Ilgizar Safiullin | | 2 | Turkey | Tarık Langat Akdağ | Halil Akkaş | | 1 | Bahrain | John Kibet Koech | | 1 | Brazil | Altobeli da Silva | | 1 | Bulgaria | Mitko Tsenov | | 1 | Colombia | Gerald Giraldo | | 1 | Djibouti | Mohamed Ismail Ibrahim | | 1 | France | Yoann Kowal | | 1 | Great Britain | | | 1 | Italy | Jamel Chatbi | | 1 | Poland | Krystian Zalewski | | 1 | Tunisia | Amor Ben Yahia | | 1 | Uganda | Benjamin Kiplagat | | 1 | Venezuela | Jose Peña | | | Invitational places | | | | | | Universality places | | | | | 36 | Total | |
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