Photo: filip bossuyt from Kortrijk, Belgium—CC BY 2.0

Lilian Kasait Rengeruk

KENWomen

Birth dateMay 3, 1997

BirthplaceKenya, Kenya

Height-

Weight-

Lilian Kasait Rengeruk, born on 3 May 1997 in the Keiyo District of Kenya, is a Kenyan long-distance runner who has made her mark at the junior and senior levels of international competition. She is known for her strength and endurance across middle and long distance events.

Rengeruk is the former 3000 metres World Under-18 champion and a World U20 Championship silver medallist in the 5000 metres. These achievements at the age-group level marked her as one of the brightest young distance running talents to emerge from Kenya's Rift Valley.

Her transition to senior competition has seen her continue to develop as a competitive long-distance runner on the international stage. Rengeruk represents the deep tradition of Kenyan excellence in distance running events.

Key facts

10 000 m

29:26.89

#6 all-time

10 Kilometres Road

29:32

2026 season best

32:32.94

Jun 19, 2026 · Nyayo National Stadium, Nairobi (KEN)

2026 season best

Last competition

Kenyan Championships Cum Trials for Commonwealth Games, Nyayo National Stadium, Nairobi

Jun 19, 2026 · 32:32.94

Kenyan Championships Cum Trials for Commonwealth Games, Nyayo National Stadium, Nairobi

Age

29 years old

As of Sep 27, 2026: 10 000 m 29:26.89 (#6 all-time), 10 Kilometres Road 29:32, 2026 season best 32:32.94 (Jun 19, 2026, Nyayo National Stadium, Nairobi (KEN)) · Last competition: Kenyan Championships Cum Trials for Commonwealth Games, Nyayo National Stadium, Nairobi, Jun 19, 2026, 32:32.94 · 29 years old

Personal bests

2:07.6HT

4:12.5HT

8:25.90

14:23.05

29:26.89

1:03:32

2:19:35

5Kilometre

14:26

10Kilometr

29:32

Performance Charts

Season bests

Season	Discipline	Result	Wind	Date	Trend	Competitions
2026	10000m	32:32.94	-	Jun 19, 2026	↑	Kenyan Championships Cum Trials for Commonwealth Games, Nyayo National Stadium, Nairobi
2026	Marathon	2:19:35	-	Feb 22, 2026	-	Daegu Marathon
2025	CrossCount	34:31	-	Oct 25, 2025	↓	Kenya Trials for World Cross Country Championships, Eldoret - XC 10.0km
2025	Semi	1:05:27	-	Apr 5, 2025	↓	Generali Prague Half Marathon
2024	5Kilometre	14:50	-	Dec 14, 2024	↑	Al Sharqiyah International 5KM
2024	5000m	14:55.97	-	Jul 12, 2024	↑	Meeting International d’Athlétisme Herculis EBS
2024	10000m	29:26.89	-	May 25, 2024	↑	Prefontaine Classic
2024	10Kilometr	29:32	-	Jan 14, 2024	-	10K Valencia Ibercaja
2024	CrossCount	31:08	-	Mar 30, 2024	↓	45th World Athletics Cross Country Championships, Park of Friendship, Beograd
2024	Semi	1:03:32	-	Oct 27, 2024	↓	Medio Maratón Valencia Trinidad Alfonso Zurich
2023	1500m	4:12.5h	-	May 27, 2023	-	Kenya Prisons Track and Field Championships, Moi International Sports Centre, Kasarani, Nairobi
2023	3000m	8:25.90	-	Jun 15, 2023	↑	Oslo Bislett Games, Bislett Stadion, Oslo - Diamond Discipline
2023	5000m	14:23.05	-	Jun 9, 2023	↑	Meeting de Paris, Stade Charléty, Paris - Diamond Discipline
2023	5Kilometre	14:26	-	Dec 31, 2023	↑	Cursa dels Nassos
2021	3000m	8:28.96	-	May 28, 2021	↑	Diamond League Meeting, Suhaim bin Hamad Stadium, Doha - National Events
2021	5000m	14:30.32	-	Sep 3, 2021	↑	Allianz Memorial Van Damme, Boudewijnstadion, Bruxelles - Diamond Discipline
2021	5Kilometre	14:51	-	Sep 8, 2021	↑	Weltklasse Zürich, Letzigrund, Zürich - Diamond Discipline
2019	3000m	8:29.02	-	May 3, 2019	↑	IAAF Diamond League, Khalifa International Stadium, Doha - Diamond Discipline
2019	5000m	14:36.05	-	Oct 5, 2019	↑	IAAF World Championships in Athletics
2019	CrossCount	37:35	-	Mar 30, 2019	↓	43rd IAAF World Cross Country Championships, Århus
2018	3000m	8:33.13	-	May 4, 2018	↑	Doha IAAF Diamond League, Suhaim bin Hamad Stadium, Doha - Diamond Discipline
2018	5000m	15:01.15	-	May 26, 2018	↑	Eugene Prefontaine Classic, Hayward Field, Eugene, OR - Promotional Events
2017	800m	2:07.6h	-	Apr 15, 2017	-	Mumias (KEN)
2017	3000m	8:32.73	-	Jul 21, 2017	↑	Monaco Herculis
2017	5000m	14:36.80	-	May 26, 2017	↑	Eugene Prefontaine Classic
2017	CrossCount	32:12	-	Mar 26, 2017	↓	42nd IAAF World Cross Country Championships, Kololo, Kampala
2016	3000m	9:26.9h	-	Sep 3, 2016	↑	Eldoret (KEN)
2016	10000m	34:30.7h	-	Aug 19, 2016	↑	Nakuru (KEN)
2015	5000m	16:04.61	-	Jul 9, 2015	↑	Nairobi (KEN)
2014	3000m	8:53.41	-	May 9, 2014	↑	Doha IAAF Diamond League, Suhaim bin Hamad Stadium, Doha - Diamond Discipline
2013	3000m	8:58.74	-	Jul 10, 2013	↑	IAAF World Youth Championships

Discipline	Result	Wind	Date	Competitions
10000m	32:32.94	-	Jun 19	Kenyan Championships Cum Trials for Commonwealth Games, Nyayo National Stadium, Nairobi
10000m	33:28.5HT	-	May 8	Athletics Kenya Prison Services Track and Field Championships, Nyayo National Stadium, Nairobi
Marathon	2:19:35	-	Feb 22	Daegu Marathon

Discipline	Result	Wind	Date	Competitions
CrossCount	34:31	-	Oct 25	Kenya Trials for World Cross Country Championships, Eldoret - XC 10.0km
Semi	1:07:20	-	Oct 12	Vedanta Delhi Half Marathon, New Delhi
Semi	1:07:36	-	Aug 24	Condor Executive Antrim Coast Half Marathon
Semi	1:05:27	-	Apr 5	Generali Prague Half Marathon

Discipline	Result	Wind	Date	Competitions
5Kilometre	14:50	-	Dec 14	Al Sharqiyah International 5KM
10Kilometr	31:12	-	Nov 17	Standard Charterd X Hong Kong International Marathon 10km, Hong Kong
Semi	1:03:32	-	Oct 27	Medio Maratón Valencia Trinidad Alfonso Zurich
10000m	30:45.04	-	Aug 10	The XXXIII Olympic Games, Stade de France, Paris
10000m	30:45.04	-	Aug 9	The XXXIII Olympic Games, Stade de France, Paris
5000m	14:55.97	-	Jul 12	Meeting International d’Athlétisme Herculis EBS
10000m	29:26.89	-	May 25	Prefontaine Classic
10Kilometr	30:56	-	Apr 28	Tata Consultancy Services World 10K Bengaluru
CrossCount	31:08	-	Mar 30	45th World Athletics Cross Country Championships, Park of Friendship, Beograd
CrossCount	31:57	-	Mar 2	Kenyan Cross Country Championships, Prison Staff Training College, Ruiru - XC 2.0km
10Kilometr	29:32	-	Jan 14	10K Valencia Ibercaja

Discipline	Result	Wind	Date	Competitions
5Kilometre	14:26	-	Dec 31	Cursa dels Nassos
5Kilometre	14:33	-	Dec 9	Annual Charity Run
5Kilometre	14:39	-	Oct 1	World Athletics Road Running Championships, Riga
5000m	14:40.81	-	Sep 17	Prefontaine Classic, Hayward Field, Eugene, OR - Diamond Discipline
5000m	14:26.46	-	Sep 8	Memorial van Damme, Boudewijnstadion, Bruxelles - Diamond Discipline
5000m	14:59.32	-	Aug 26	World Athletics Championships, Budapest 2023, Hősök tere, Budapest
5000m	14:36.61	-	Aug 26	World Athletics Championships, Budapest 2023, Hősök tere, Budapest
5000m	14:36.61	-	Aug 23	World Athletics Championships, Budapest 2023, Hősök tere, Budapest
3000m	8:27.80	-	Jul 16	Silesia Kamila Skolimowska Memorial
5000m	14:56.50	-	Jul 8	Trials For World Athletics Championships Budapest 2023, Nyayo National Stadium, Nairobi
5000m	14:56.50	-	Jul 7	Trials For World Athletics Championships Budapest 2023, Nyayo National Stadium, Nairobi
5000m	15:01.37	-	Jun 24	Kenyan Championships
5000m	15:01.37	-	Jun 23	Kenyan Championships
5000m	15:49.10	-	Jun 23	Kenyan Championships
5000m	15:49.10	-	Jun 22	Kenyan Championships
3000m	8:25.90	-	Jun 15	Oslo Bislett Games, Bislett Stadion, Oslo - Diamond Discipline
5000m	14:23.05	-	Jun 9	Meeting de Paris, Stade Charléty, Paris - Diamond Discipline
5000m	15:10.8HT	-	May 27	Kenya Prisons Track and Field Championships, Moi International Sports Centre, Kasarani, Nairobi
1500m	4:12.5HT	-	May 27	Kenya Prisons Track and Field Championships, Moi International Sports Centre, Kasarani, Nairobi
5000m	15:19.21	-	May 13	Kip Keino Classic, Moi International Sports Centre, Kasarani, Nairobi

Discipline	Result	Wind	Date	Competitions
5000m	15:17.71	-	Sep 18	Kip Keino Classic, Moi International Sports Centre, Kasarani, Nairobi
5Kilometre	14:51	-	Sep 9	Weltklasse Zürich, Letzigrund, Zürich - Diamond Discipline
5Kilometre	14:51	-	Sep 8	Weltklasse Zürich, Letzigrund, Zürich - Diamond Discipline
5000m	14:30.32	-	Sep 3	Allianz Memorial Van Damme, Boudewijnstadion, Bruxelles - Diamond Discipline
5000m	14:55.85	-	Aug 8	The XXXII Olympic Games
5000m	14:50.36	-	Aug 8	The XXXII Olympic Games
5000m	14:55.85	-	Aug 2	The XXXII Olympic Games
5000m	14:50.36	-	Jul 30	The XXXII Olympic Games
5000m	14:52.18	-	Jun 17	Kenya Olympic Games Trials, Moi International Sports Centre, Kasarani, Nairobi
3000m	8:28.96	-	May 28	Diamond League Meeting, Suhaim bin Hamad Stadium, Doha - National Events

Discipline	Result	Wind	Date	Competitions
5000m	14:36.05	-	Oct 5	IAAF World Championships in Athletics
5000m	15:02.03	-	Oct 2	IAAF World Championships in Athletics

FAQ

Frequently asked questions

What is Lilian Kasait Rengeruk's 10 000 m personal best?

Lilian Kasait Rengeruk's 10 000 m personal best is 29:26.89, set on May 25, 2024 in Hayward Field, Eugene, OR (USA), #6 on the all-time list.

Which events does Lilian Kasait Rengeruk compete in?

Lilian Kasait Rengeruk competes in the 10 000 m and 10 Kilometres Road.

How did Lilian Kasait Rengeruk perform in 2026?

2026 season best: 32:32.94, set on Jun 19, 2026 in Nyayo National Stadium, Nairobi (KEN). Last competition: Kenyan Championships Cum Trials for Commonwealth Games, Nyayo National Stadium, Nairobi on Jun 19, 2026, 32:32.94.

Lilian Kasait Rengeruk

Personal bests

Performance Charts

Season bests

2026

2025

2024

2023

2021

2019

Honours

Frequently asked questions