Leonard Kirwa Kosencha
- Born
- Aug 21, 1994 (32 years old)
- Birthplace
- Kilgoris, Kenya
- Events
- 800 m
Leonard Kirwa Kosencha (born 21 August 1994) is a Kenyan middle distance runner. He won a gold medal at the 800 m at the 2011 World Youth Championships in Athletics.
By running 1:44.08 at these Championships, he also broke Belal Mansoor Ali's old world youth best of 1:44.34, which had stood since June 17, 2005. Ethiopia's Mohammed Aman broke Kosencha's short-standing world youth best that September.
He won the silver medal at the 2011 Commonwealth Youth Games that season. He began the 2012 season well as he was runner-up to Mohammed Aman at the Colorful Daegu Meeting, then won the first 2012 IAAF Diamond League race in Shanghai.
As of Nov 13, 2026: 800 m 1:43.40 (#95 all-time), 2018 season best 1:47.23 (Aug 15, 2018, Bursa (TUR)) · 32 years old
Personal bests
WA points calculator →Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2018 | 800m | 1:47.23 | – | Aug 15, 2018 | Bursa (TUR) |
| 2017 | 800m | 1:46.13 | – | Jun 11, 2017 | FBK Stadium, Hengelo (NED) |
| 2016 | 400m | 48.2h | – | Apr 15, 2016 | Eldoret (KEN) |
| 2016 | 800m | 1:45.4h | – | Jun 30, 2016 | Eldoret (KEN) |
| 2014 | 800m | 1:46.94 | – | May 21, 2014 | Beijing (CHN) |
| 2013 | 800m | 1:47.64 | – | Sep 3, 2013 | Rovereto (ITA) |
| 2012 | 800m | 1:43.40 | – | Jul 20, 2012 | Monaco Herculis, Stade Louis II, Monaco - Diamond Discipline |
| 2011 | 800m | 1:44.08 | – | Jul 9, 2011 | IAAF World Youth Championships, Lille |