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Cosmas Lagat

Cosmas Lagat

KENKENMen
Birth dateDec 12, 1990
Height-
Weight-

Cosmas Lagat is a Kenya long-distance runner, born on December 12, 1990. He competes primarily in the 5000m, 10000m and Marathon.

His personal bests include 14:49.7h in the 5000m, 29:17.0h in the 10000m, 2:08:14 in the Marathon and 29:09 in the 10Kilometr. He is currently active on the international athletics circuit, representing Kenya.

Key facts
Marathon
2:08:14
#819 all-time
2025 season best
2:29:11
Oct 26, 2025 · Nairobi (KEN)
2025 season best
Last competition
Standard Chartered Nairobi Marathon
Oct 26, 2025 · 2:29:11
Standard Chartered Nairobi Marathon
Age
35 years old

As of Sep 20, 2026: Marathon 2:08:14 (#819 all-time), 2025 season best 2:29:11 (Oct 26, 2025, Nairobi (KEN)) · Last competition: Standard Chartered Nairobi Marathon, Oct 26, 2025, 2:29:11 · 35 years old

Performance Charts

Season bests

SeasonDisciplineResultWindDateTrendCompetitions
2025
Marathon
2:29:11-Oct 26, 2025
↓
Standard Chartered Nairobi Marathon
2019
Marathon
2:09:15-Jan 20, 2019
↓
Tata Mumbai Marathon, Mumbai
2018
10Kilometr
29:09-Dec 1, 2018-Ziwa (KEN)
2018
Marathon
2:11:35-Apr 8, 2018
↓
Gunsan Marathon, Gunsan
2016
5000m
14:49.7h-Mar 18, 2016-Nakuru (KEN)
2016
Marathon
2:08:14-Feb 21, 2016
↓
Sevilla (ESP)
2015
Marathon
2:20:30-Oct 25, 2015
↓
Ljubljana (SLO)
2014
Marathon
2:08:33-Feb 23, 2014
↓
Sevilla (ESP)
2012
10000m
29:17.0h-Jun 8, 2012-Nairobi (KEN)

2025

1 performance
DisciplineResultWindDateCompetitions
Marathon
2:29:11-Oct 26Standard Chartered Nairobi Marathon

2019

1 performance
DisciplineResultWindDateCompetitions
Marathon
2:09:15-Jan 20Tata Mumbai Marathon, Mumbai

2018

3 performances
DisciplineResultWindDateCompetitions
10Kilometr
29:09-Dec 1Ziwa 10 km, Ziwa
Marathon
2:11:35-Apr 8Gunsan Marathon, Gunsan
10Kilometr
29:14-Feb 3Nyahururu Memorial Samuel Wanjiru, Nyahururu

2016

2 performances
DisciplineResultWindDateCompetitions
5000m
14:49.7HT-Mar 18Nakuru
Marathon
2:08:14-Feb 21Sevilla Marathon, Sevilla

2015

1 performance
DisciplineResultWindDateCompetitions
Marathon
2:20:30-Oct 25Ljubljana Marathon, Ljubljana

2014

1 performance
DisciplineResultWindDateCompetitions
Marathon
2:08:33-Feb 23Sevilla Marathon, Sevilla

2012

1 performance
DisciplineResultWindDateCompetitions
10000m
29:17.0HT-Jun 8Nairobi Kenyan Junior Championships, Nairobi

Honours

No medals

FAQ

Frequently asked questions

What is Cosmas Lagat's Marathon personal best?

Cosmas Lagat's Marathon personal best is 2:08:14, set on Feb 21, 2016 in Sevilla (ESP), #819 on the all-time list.

Which events does Cosmas Lagat compete in?

Cosmas Lagat competes in the Marathon.

How did Cosmas Lagat perform in 2025?

2025 season best: 2:29:11, set on Oct 26, 2025 in Nairobi (KEN). Last competition: Standard Chartered Nairobi Marathon on Oct 26, 2025, 2:29:11.