| Abdi Waiss Mouhyadin | |
| Birth Date: | 3 July 1996 |
| Birth Place: | Djibouti City, Djibouti |
| Sport: | Track and field |
| Event: | 1500 metres, 5000 metres |
| Show-Medals: | yes |
Abdi Waiss Mouhyadin (Somali: Cabdi Wacays Muxiyadiin) is a Djiboutian middle and long-distance runner.[1] He represented his country at the 2015 World Championships in Beijing reaching the semifinals. In addition he won a silver medal at the 2015 African Games.
| Representing | ||||||
|---|---|---|---|---|---|---|
| 2014 | World Junior Championships | Eugene, United States | bgcolor=silver | 2nd | 1500 m | 3:41.38 |
| African Championships | Marrakech, Morocco | 17th (h) | 1500 m | 3:57.99 | ||
| 2015 | Arab Championships | Isa Town, Bahrain | bgcolor=silver | 2nd | 1500 m | 3:46.56 |
| World Championships | Beijing, China | 23rd (sf) | 1500 m | 3:46.82 | ||
| African Games | Brazzaville, Republic of the Congo | bgcolor=silver | 2nd | 1500 m | 3:45.98 | |
| 2016 | Olympic Games | Rio de Janeiro, Brazil | – | 1500 m | DNF | |
| 2017 | Islamic Solidarity Games | Baku, Azerbaijan | 6th (h) | 1500 m | 3:51.061 | |
| 2019 | African Games | Rabat, Morocco | 16th (h) | 1500 m | 3:44.98 | |
| World Championships | Doha, Qatar | 30th (h) | 1500 m | 3:38.79 | ||
| 2023 | Arab Championships | Marrakesh, Morocco | bgcolor=silver | 2nd | 10,000 m | 30:26.04 |
| bgcolor=gold | 1st | Half marathon | 1:06:33 | |||
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