WK

William Kibor

Photo: Rovena Rosa/Agência Brasil—CC BY 3.0 br

William Kibor

KENMen

Birth dateJan 10, 1985

Height-

Weight-

William Kibor is a Kenya long-distance runner, born on January 10, 1985. He competes primarily in the 3000m, 5000m and 10000m.

His personal bests include 8:14.30 in the 3000m, 13:32.76 in the 5000m, 28:23.66 in the 10000m, 1:00:51 in the Semi and 2:08:32 in the Marathon. He is currently active on the international athletics circuit, representing Kenya.

Key facts

Marathon

2:08:32

Half Marathon

1:00:51

2026 season best

28:49

May 31, 2026 · São Paulo (BRA)

2026 season best

Last competition

10K SP challenge

May 31, 2026 · 28:49

10K SP challenge

Age

41 years old

As of Sep 20, 2026: Marathon 2:08:32 (#930 all-time), Half Marathon 1:00:51 (#752 all-time), 2026 season best 28:49 (May 31, 2026, São Paulo (BRA)) · Last competition: 10K SP challenge, May 31, 2026, 28:49 · 41 years old

PB

Personal bests

3000m

8:14.30

13:32.76

28:23.66

1:00:51

2:08:32

15Kilometr

45:02

10Kilometr

28:33

10MilesRoa

50:32

20Kilometr

58:20

Performance Charts

Season bests

Season	Discipline	Result	Wind	Date	Trend	Competitions
2026	10Kilometr	28:49	-	May 31, 2026	↑	10K SP challenge
2025	15Kilometr	45:28	-	Dec 31, 2025	↑	100ª Corrida Internacional de São Silvestre
2025	Semi	1:04:52	-	May 18, 2025	↓	ASICS Golden Run SP
2025	Marathon	2:18:04	-	Apr 6, 2025	↓	29ª Maratona International de São Paulo
2023	15Kilometr	45:02	-	May 1, 2023	↑	15 Km du Puy en Velay
2023	20Kilometr	58:20	-	Oct 8, 2023	-	20KM de Paris
2023	Semi	1:02:19	-	Mar 12, 2023	↓	Runners Lab Half Marathon Ghent, Gent - Elite Event
2019	15Kilometr	46:06	-	Jun 9, 2019	↑	Sao Carlos (BRA)
2019	Marathon	2:22:14	-	Jun 23, 2019	↓	Marathon
2017	10Kilometr	30:07	-	Jan 8, 2017	↑	Cuiaba (BRA)
2017	15Kilometr	45:53	-	Oct 28, 2017	↑	Tulsa, OK (USA)
2017	Semi	1:01:19	-	Mar 26, 2017	↓	Venlo (NED)
2017	Marathon	2:13:28	-	Apr 30, 2017	↓	Annecy (FRA)
2016	10Kilometr	29:09	-	May 15, 2016	↑	Santos (BRA)
2016	15Kilometr	45:49	-	Dec 31, 2016	↑	São Paulo (BRA)
2016	Semi	1:01:21	-	Nov 13, 2016	↓	Las Vegas, NV (USA)
2015	3000m	8:14.30	-	Sep 9, 2015	-	Napoli (ITA)
2015	5000m	14:01.81	-	Sep 5, 2015	↓	Brugnera (ITA)
2015	10Kilometr	29:29	-	Sep 12, 2015	↑	Trecastagni (ITA)
2015	15Kilometr	45:46	-	Dec 31, 2015	↑	São Paulo (BRA)
2015	Semi	1:00:55	-	Mar 1, 2015	↓	Ostia (ITA)
2015	Marathon	2:18:00	-	Jun 14, 2015	↓	Lanzhou (CHN)
2014	10000m	28:23.66	-	Mar 16, 2014	↑	San Miniato (ITA)
2014	Semi	1:00:51	-	Feb 16, 2014	↓	Verona (ITA)
2014	Marathon	2:13:28	-	Dec 21, 2014	↓	Hofu (JPN)
2013	10Kilometr	28:33	-	Jul 28, 2013	↑	Bianco (ITA)
2013	10000m	29:06.2h	-	Apr 28, 2013	↑	San Miniato (ITA)
2013	Semi	1:04:36	-	Sep 15, 2013	↓	Bologna (ITA)
2012	10Kilometr	29:04	-	May 5, 2012	↑	Fucecchio (ITA)
2012	Semi	1:03:23	-	Mar 11, 2012	↓	Pieve di Cento (ITA)
2012	Marathon	2:08:32	-	Apr 15, 2012	↓	Wien (AUT)
2011	5000m	13:32.76	-	Jul 23, 2011	↓	Pergine Valsugana (ITA)
2011	10Kilometr	29:23	-	Jul 30, 2011	↑	Taibon Agordino (ITA)
2011	10MilesRoa	50:32	-	Aug 6, 2011	-	Gargnano (ITA)
2011	Semi	1:04:38	-	Jan 29, 2011	↓	Eldoret (KEN)
2009	5000m	13:58.63	-	Jun 11, 2009	↓	Algiers (ALG)

2026

1 performance

Discipline	Result	Wind	Date	Competitions
10Kilometr	28:49	-	May 31	10K SP challenge

2025

4 performances

Discipline	Result	Wind	Date	Competitions
15Kilometr	45:28	-	Dec 31	100ª Corrida Internacional de São Silvestre
Marathon	2:21:13	-	Nov 23	Maratona de Curitiba, Curitiba
Semi	1:04:52	-	May 18	ASICS Golden Run SP
Marathon	2:18:04	-	Apr 6	29ª Maratona International de São Paulo

2023

4 performances

Discipline	Result	Wind	Date	Competitions
20Kilometr	58:20	-	Oct 8	20KM de Paris
15Kilometr	45:02	-	May 1	15 Km du Puy en Velay
Semi	1:04:42	-	Mar 19	Semi-Marathon du Grand Nancy
Semi	1:02:19	-	Mar 12	Runners Lab Half Marathon Ghent, Gent - Elite Event

2019

2 performances

Discipline	Result	Wind	Date	Competitions
Marathon	2:22:14	-	Jun 23	Marathon
15Kilometr	46:06	-	Jun 9	Corrida Unicep, Sao Carlos

2017

6 performances

Discipline	Result	Wind	Date	Competitions
15Kilometr	45:53	-	Oct 28	Tulsa Run 15K, Tulsa, OK
Marathon	2:27:05	-	Oct 15	Columbus Marathon, Columbus, OH
Marathon	2:22:31	-	Sep 10	Taiyuan Marathon, Taiyuan
Marathon	2:13:28	-	Apr 30	Annecy Marathon, Annecy
Semi	1:01:19	-	Mar 26	Venlo Half Marathon, Venlo
10Kilometr	30:07	-	Jan 8	Cuiaba Corrida de Reis, Cuiaba

2016

4 performances

Discipline	Result	Wind	Date	Competitions
15Kilometr	45:49	-	Dec 31	Sao Paulo Corrida de Sao Silvestre, São Paulo
Semi	1:01:21	-	Nov 13	Las Vegas Rock 'n' Roll Half Marathon, Las Vegas, NV
10Kilometr	29:09	-	May 15	Santos Tribuna 10K, Santos
10Kilometr	29:24	-	Jan 20	Rio de Janeiro Corrida de Sao Sebastiao, Rio de Janeiro

2015

7 performances

Discipline	Result	Wind	Date	Competitions
15Kilometr	45:46	-	Dec 31	Sao Paulo Corrida de Sao Silvestre, São Paulo
Semi	1:03:29	-	Oct 4	Telese Terme Italian Half Marathon Championships, Telese Terme
10Kilometr	29:29	-	Sep 12	10 km, Trecastagni
3000m	8:14.30	-	Sep 9	Napoli Meeting di atletica "Citta di Marano", Napoli
5000m	14:01.81	-	Sep 5	Brugnera Memorial Guido Maccan, Brugnera
Marathon	2:18:00	-	Jun 14	Lanzhou Marathon, Lanzhou
Semi	1:00:55	-	Mar 1	Roma-Ostia Half Marathon, Ostia

2014

7 performances

Discipline	Result	Wind	Date	Competitions
Marathon	2:13:28	-	Dec 21	Hofu Marathon, Hofu
Marathon	2:15:20	-	Nov 30	Firenze Marathon, Firenze
Semi	1:06:28	-	Sep 14	Bologna Half Marathon, Bologna
10000m	28:23.66	-	Mar 16	San Miniato
Semi	1:02:08	-	Mar 2	Roma-Ostia Half Marathon, Ostia
Semi	1:00:51	-	Feb 16	Verona Giulietta & Romeo Half Marathon, Verona
Marathon	2:15:30	-	Feb 16	Hong Kong Standard Chartered Marathon, Hong Kong

2013

7 performances

Discipline	Result	Wind	Date	Competitions
10Kilometr	30:12	-	Sep 28	Scicli Memorial Peppe Greco, Scicli
10Kilometr	30:21	-	Sep 21	Molfetta Italian 10km Championships, Molfetta
Semi	1:04:36	-	Sep 15	Bologna Half Marathon, Bologna
10Kilometr	28:33	-	Jul 28	Bianco Corribianco, Bianco
10Kilometr	32:27	-	Jul 26	Castelbuono Giro Podistico Internazionale, Castelbuono
10000m	29:06.2HT	-	Apr 28	San Miniato Basso, San Miniato
10Kilometr	30:10	-	Mar 10	Rocca di Papa 10 km, Rocca di Papa

2012

6 performances

Discipline	Result	Wind	Date	Competitions
10Kilometr	30:49	-	May 27	Arezzo Scalata al Castello, Arezzo
10Kilometr	29:04	-	May 5	Fucecchio 10 km, Fucecchio
10Kilometr	30:48	-	May 1	Benevento 10 km, Benevento
Marathon	2:08:32	-	Apr 15	Vienna City Marathon, Wien
10Kilometr	29:48	-	Apr 1	Carrara 10 km, Carrara
Semi	1:03:23	-	Mar 11	Pieve di Cento Maratonina Delle 4 Porte, Pieve di Cento

2011

2 performances

Discipline	Result	Wind	Date	Competitions
10MilesRoa	50:32	-	Aug 6	Gargnano Dieci Miglia del Garda, Gargnano
10Kilometr	29:23	-	Jul 30	Taibon Agordino Le Miglia de Agordo, Taibon Agordino

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FAQ

Frequently asked questions

What is William Kibor's Marathon personal best?

William Kibor's Marathon personal best is 2:08:32, set on Apr 15, 2012 in Wien (AUT), #930 on the all-time list.

Which events does William Kibor compete in?

William Kibor competes in the Marathon and Half Marathon.

How did William Kibor perform in 2026?

2026 season best: 28:49, set on May 31, 2026 in São Paulo (BRA). Last competition: 10K SP challenge on May 31, 2026, 28:49.