Cosmas Silei

KenyaKenya
Born
Sep 10, 1948 (78 years old)
Events
800 m · 1500 m

Cosmas Silei is a Kenya middle-distance runner, born on September 10, 1948. He competes primarily in the 800m, 1500m and 400mH.

His personal bests include 1:45.3h in the 800m, 3:39.5h in the 1500m and 50.02 in the 400mH. He has earned 1 gold medal in major international competitions. He is currently active on the international athletics circuit, representing Kenya.

Personal best · 800 m1:45.3h
#590 all-time
1974 season best1:47.7hJan 20, 1974
Personal best · 1500 m3:39.5h
Last competitionChristchurch Commonwealth GamesJan 29, 1974 · 50.02
Christchurch Commonwealth Games

As of Nov 6, 2026: 800 m 1:45.3h (#590 all-time), 1500 m 3:39.5h, 1974 season best 1:47.7h (Jan 20, 1974) · Last competition: Christchurch Commonwealth Games, Jan 29, 1974, 50.02 · 78 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
800mStockholm 1973Kenya 800 m all-time list1:45.3h1,165 pts#590
1500mKisumu 1972Kenya 1500 m all-time list3:39.5h1,114 pts–
400mHChristchurch 1974Kenya 400 m hurdles all-time list50.021,129 pts–

Progression

Compare me
SeasonDisciplineResultWindDateCompetitions
1974400mH 50.02–Jan 29, 1974Christchurch Commonwealth Games
1974800m 1:47.7h–Jan 20, 1974–
1973800m 1:45.3h–Jul 2, 1973Lagos (NGR)
19731500m 3:42.13–Jul 2, 1973Stockholm (SWE)
1972800m 1:47.3h–Dec 9, 1972–
19721500m 3:39.5h–Jul 1, 1972Kisumu (KEN)
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FAQ

Frequently asked questions

Cosmas Silei's 800 m personal best is 1:45.3h, set on Jul 2, 1973 in Stockholm (SWE), #590 on the all-time list.

Cosmas Silei competes in the 800 m and 1500 m.

1974 season best: 1:47.7h, set on Jan 20, 1974. Last competition: Christchurch Commonwealth Games on Jan 29, 1974, 50.02.