RK

Ruth Karanja

Ruth Karanja

KENWomen

Birth dateJul 5, 1990

Height-

Weight-

Ruth Karanja is a Kenya middle-distance runner, born on July 5, 1990. She competes primarily in the 1500m, 3000m and Semi.

Her personal bests include 4:29.5h in the 1500m, 9:39.51 in the 3000m, 1:10:15 in the Semi, 2:33:32 in the Marathon and 52:11 in the 15Kilometr. She is currently active on the international athletics circuit, representing Kenya.

Key facts

Half Marathon

1:10:15

Marathon

2:33:32

2026 season best

2:39:53

Mar 15, 2026

2026 season best

Last competition

New Taipei City Wan Jin Shi Marathon

Mar 15, 2026 · 2:39:53

New Taipei City Wan Jin Shi Marathon

Age

36 years old

As of Sep 29, 2026: Half Marathon 1:10:15 (#942 all-time), Marathon 2:33:32, 2026 season best 2:39:53 (Mar 15, 2026) · Last competition: New Taipei City Wan Jin Shi Marathon, Mar 15, 2026, 2:39:53 · 36 years old

PB

Personal bests

4:29.5HT

9:39.51

1:10:15

2:33:32

15Kilometr

52:11

10Kilometr

34:11

20Kilometr

1:09:36

RoadRace

25:25

Performance Charts

Season bests

Season	Discipline	Result	Wind	Date	Trend	Competitions
2026	Marathon	2:39:53	-	Mar 15, 2026	↓	New Taipei City Wan Jin Shi Marathon
2024	Marathon	2:40:44	-	Dec 1, 2024	↓	Jinjiang Marathon, Jinjiang
2023	3000m	10:00.19	-	May 21, 2023	↓	Interclubs 2ème tour - N2A
2023	15Kilometr	52:28	-	May 1, 2023	↓	15 Km du Puy en Velay
2023	Semi	1:19:05	-	May 28, 2023	↑	Semi Marathon des Olonnes
2023	Marathon	2:43:14	-	Apr 16, 2023	↓	Marathon d'Annecy, Annecy
2022	3000m	9:39.51	-	May 8, 2022	↓	Nimes (FRA)
2022	RoadRace	25:25	-	Dec 4, 2022	-	Course de l'Escalade
2022	10Kilometr	33:01	-	Oct 23, 2022	↑	-
2022	15Kilometr	52:11	-	May 1, 2022	↓	Le Puy-en-Velay (FRA)
2022	20Kilometr	1:09:36	-	Nov 6, 2022	-	Balexert 20km de Genève
2022	Semi	1:14:41	-	May 15, 2022	↑	Auray (FRA)
2022	Marathon	2:44:08	-	Apr 17, 2022	↓	Annecy (FRA)
2021	10Kilometr	34:41	-	Oct 31, 2021	↑	St-Denis (FRA)
2021	Semi	1:15:05	-	Oct 24, 2021	↑	-
2019	Semi	1:12:33	-	Jun 9, 2019	↑	Half Marathon, Kaunas - Lithuanian Half Marathon Ch.
2019	Marathon	2:33:32	-	Mar 24, 2019	↓	Beverly Wuxi Marathon
2018	10Kilometr	34:11	-	Feb 3, 2018	↑	Nyahururu (KEN)
2018	Semi	1:10:15	-	Mar 25, 2018	↑	Milano Stramilano
2018	Marathon	2:34:39	-	Nov 11, 2018	↓	Hefei Marathon, Hefei
2011	3000m	9:58.10	-	Aug 20, 2011	↓	Andorf (AUT)
2011	Semi	1:29:16	-	Aug 21, 2011	↑	Klagenfurt (AUT)
2005	1500m	4:29.5h	-	Nov 6, 2005	-	Nairobi (KEN)

2026

1 performance

Discipline	Result	Wind	Date	Competitions
Marathon	2:39:53	-	Mar 15	New Taipei City Wan Jin Shi Marathon

2024

3 performances

Discipline	Result	Wind	Date	Competitions
Marathon	2:40:08	-	Dec 15	Hainan Danzhou Marathon, Danzhou
Marathon	2:40:44	-	Dec 1	Jinjiang Marathon, Jinjiang
Marathon	2:39:28	-	Mar 31	Zhengkai Marathon

2023

5 performances

Discipline	Result	Wind	Date	Competitions
Semi	1:19:05	-	May 28	Semi Marathon des Olonnes
3000m	10:00.19	-	May 21	Interclubs 2ème tour - N2A
15Kilometr	52:28	-	May 1	15 Km du Puy en Velay
Marathon	2:43:14	-	Apr 16	Marathon d'Annecy, Annecy
Marathon	2:35:10	-	Mar 19	Changan Automo Chongqing Marathon

2022

13 performances

Discipline	Result	Wind	Date	Competitions
RoadRace	25:25	-	Dec 4	Course de l'Escalade
10Kilometr	33:28	-	Nov 20	Foulée Vénissiane, Vénissieux
20Kilometr	1:09:36	-	Nov 6	Balexert 20km de Genève
20Kilometr	1:13:33	-	Oct 30	20km International Marseille Cassis, Marseille
10Kilometr	33:01	-	Oct 23	Les Foulées Monterelaises, Montereau
Semi	1:15:19	-	Sep 25	Le Lion Montbéliard - Belfort, Belfort
Semi	1:14:53	-	Sep 11	Semi-Marathon Auray Vannes, Auray
Semi	1:16:46	-	Jun 5	Semi Marathon des Olonnes, Les Sables d'Olonne
3000m	9:46.06	-	May 22	Interclubs, Stade de Vabre, Rodez
Semi	1:14:41	-	May 15	Semi-marathon de Troyes, Troyes
3000m	9:39.51	-	May 8	Championnat de France des clubs, Nimes
15Kilometr	52:11	-	May 1	15 Km du Puy en Velay, Le Puy-en-Velay
Marathon	2:44:08	-	Apr 17	Marathon du Lac d’Annecy, Annecy

2021

3 performances

Discipline	Result	Wind	Date	Competitions
10Kilometr	34:41	-	Oct 31	La Voie Royale, St-Denis
Semi	1:15:05	-	Oct 24	Le Semi de Cannes, Cannes
Semi	1:16:10	-	Oct 17	La coulée verte à Niort, Niort

2019

5 performances

Discipline	Result	Wind	Date	Competitions
Marathon	2:40:08	-	Nov 10	Nanchang International Marathon
Marathon	2:35:58	-	Oct 27	Changsha International Marathon, Changsha
Semi	1:12:33	-	Jun 9	Half Marathon, Kaunas - Lithuanian Half Marathon Ch.
Marathon	2:33:32	-	Mar 24	Beverly Wuxi Marathon
Marathon	2:44:15	-	Feb 24	Maraton internacional ciudad de Castellon, Castellón

2018

3 performances

Discipline	Result	Wind	Date	Competitions
Marathon	2:34:39	-	Nov 11	Hefei Marathon, Hefei
Semi	1:10:15	-	Mar 25	Milano Stramilano
10Kilometr	34:11	-	Feb 3	Nyahururu Memorial Samuel Wanjiru, Nyahururu

2011

2 performances

Discipline	Result	Wind	Date	Competitions
Semi	1:29:16	-	Aug 21	Klagenfurt Half Marathon, Klagenfurt
3000m	9:58.10	-	Aug 20	Andorf Int. JOSKO Laufmeeting, Andorf

2005

1 performance

Discipline	Result	Wind	Date	Competitions
1500m	4:29.5HT	-	Nov 6	Nairobi KAA Meeting, Nairobi

FAQ

Frequently asked questions

What is Ruth Karanja's Half Marathon personal best?

Ruth Karanja's Half Marathon personal best is 1:10:15, set on Mar 25, 2018 in Milano (ITA), #942 on the all-time list.

Which events does Ruth Karanja compete in?

Ruth Karanja competes in the Half Marathon and Marathon.

How did Ruth Karanja perform in 2026?

2026 season best: 2:39:53, set on Mar 15, 2026. Last competition: New Taipei City Wan Jin Shi Marathon on Mar 15, 2026, 2:39:53.