JM

John Mason

John Mason

CANMen

Birth dateSep 2, 1987

Height-

Weight-

John Mason is a Canada middle-distance runner, born on September 2, 1987. He competes primarily in the 1500m, 3000m and 5000m.

His personal bests include 3:57.35 in the 1500m, 8:41.50 in the 3000m, 14:25.71 in the 5000m, 30:36.67 in the 10000m and 1:07:59 in the Semi. He is currently active on the international athletics circuit, representing Canada.

Key facts

Marathon

2:15:17

2026 season best

31:07

May 23, 2026 · Ottawa (CAN)

2026 season best

Last competition

Ottawa 10K

May 23, 2026 · 31:07

Age

39 years old

As of Sep 15, 2026: Marathon 2:15:17, 2026 season best 31:07 (May 23, 2026, Ottawa (CAN)) · Last competition: Ottawa 10K, May 23, 2026, 31:07 · 39 years old

PB

Personal bests

3:57.35

8:41.50

14:25.71

30:36.67

1:07:59

2:15:17

14:42

31:08

56:00

Performance Charts

Season bests

Season	Discipline	Result	Wind	Date	Trend	Competitions
2026	10Kilometr	31:07	-	May 23, 2026	↑	Ottawa 10K
2022	5000m	15:23.89	-	Aug 7, 2022	↓	Campbell Track, Hamilton (CAN)
2022	CrossCount	33:29	-	Nov 26, 2022	-	Canadian Cross Country Championships, Ottawa - XC 10.0km
2019	5000m	14:59.31	-	Jun 22, 2019	↓	London (CAN)
2019	10000m	30:36.67	-	Jun 13, 2019	↑	Burnaby (CAN)
2019	Marathon	2:15:17	-	Apr 7, 2019	↑	NN Marathon Rotterdam
2018	1500m	3:57.35	-	Jul 13, 2018	↑	Guelph (CAN)
2018	5000m	14:25.71	-	May 27, 2018	↓	Hamilton (CAN)
2018	10000m	30:48.22	-	Jun 14, 2018	↑	Canadian 10,000m Championships, Guelph
2018	Semi	1:09:47	-	Jan 14, 2018	↑	Tempe, AZ (USA)
2018	Marathon	2:18:25	-	Apr 8, 2018	↑	Rotterdam Marathon
2017	10000m	31:11.57	-	Jun 14, 2017	↑	Guelph (CAN)
2017	Semi	1:08:29	-	May 28, 2017	↑	Calgary (CAN)
2017	Marathon	2:26:11	-	Oct 22, 2017	↑	Toronto (CAN)
2015	5Kilometre	14:42	-	Sep 13, 2015	-	Toronto (CAN)
2015	5000m	15:21.25	-	May 17, 2015	↓	London (CAN)
2015	Marathon	2:22:35	-	Oct 18, 2015	↑	Toronto (CAN)
2014	Semi	1:07:59	-	Mar 16, 2014	↑	New York, NY (USA)
2013	Marathon	2:34:27	-	Dec 1, 2013	↑	Shanghai (CHN)
2012	1500m	4:01.94	-	May 28, 2012	↑	Guelph (CAN)
2012	3000m	8:41.50	-	Jun 10, 2012	-	London (CAN)
2012	5000m	14:54.09	-	May 23, 2012	↓	London (CAN)
2011	5000m	15:12.43	-	May 24, 2011	↓	London (CAN)
2011	10Kilometr	31:45	-	Sep 24, 2011	↑	Toronto (CAN)
2011	Semi	1:12:05	-	Apr 17, 2011	↑	Montréal (CAN)
2010	10000m	32:27.44	-	May 15, 2010	↑	London (CAN)
2010	Semi	1:10:51	-	Sep 26, 2010	↑	Toronto (CAN)
2009	10MilesRoa	56:00	-	Dec 26, 2009	-	Hamilton (CAN)
1971	Mile	3:57.9	-	Apr 17, 1971	↑	-
1970	Mile	3:58.4	-	May 30, 1970	↑	-

2026

2 performances

Discipline	Result	Wind	Date	Competitions
10Kilometr	31:07	-	May 23	Ottawa 10K
10Kilometr	31:08	-	May 23	Ottawa 10K

2022

2 performances

Discipline	Result	Wind	Date	Competitions
CrossCount	33:29	-	Nov 26	Canadian Cross Country Championships, Ottawa - XC 10.0km
5000m	15:23.89	-	Aug 7	Puma Last Chance, Campbell Track, Hamilton

2019

5 performances

Discipline	Result	Wind	Date	Competitions
Marathon	2:19:21	-	Oct 5	IAAF World Championships in Athletics
Marathon	2:19:21	-	Sep 28	IAAF World Championships in Athletics
5000m	14:59.31	-	Jun 22	Forest City 5000m, London
10000m	30:36.67	-	Jun 13	Pacific Distance Carnival, Burnaby - Canadian 10,000m Ch.
Marathon	2:15:17	-	Apr 7	NN Marathon Rotterdam

2018

8 performances

Discipline	Result	Wind	Date	Competitions
5000m	14:47.07	-	Jul 28	Ninove Memorial Geert Rasschaert, Ninove
5000m	14:40.94	-	Jul 21	Heusden-Zolder KBC Night of Athletics, Heusden-Zolder
1500m	3:57.35	-	Jul 13	Guelph Speed River Twilight Meet, Guelph
10000m	30:48.22	-	Jun 14	Canadian 10,000m Championships, Guelph
5000m	14:25.71	-	May 27	Hamilton Season Opener, Hamilton
5000m	14:40.70	-	May 15	Guelph Speed River Twilight Meet, Guelph
Marathon	2:18:25	-	Apr 8	Rotterdam Marathon
Semi	1:09:47	-	Jan 14	Tempe Rock 'n' Roll Arizona Half Marathon, Tempe, AZ

2017

4 performances

Discipline	Result	Wind	Date	Competitions
Marathon	2:26:11	-	Oct 22	Toronto Waterfront Marathon, Toronto - Canadian Marathon Ch.
10000m	31:11.57	-	Jun 14	Canadian 10,000m Championships, Guelph
Semi	1:08:29	-	May 28	Calgary Half Marathon, Calgary
Semi	1:07:41	-	Apr 23	Montreal Half Marathon, Montréal

2015

4 performances

Discipline	Result	Wind	Date	Competitions
Marathon	2:22:35	-	Oct 18	Toronto Waterfront Marathon, Toronto - Canadian Marathon Ch.
5Kilometre	14:42	-	Sep 13	Canadian 5 km Road Running Championships, Toronto
5000m	15:21.25	-	May 17	London Forest City 5,000, London
Marathon	2:24:41	-	Apr 12	Rotterdam Marathon, Rotterdam

2014

1 performance

Discipline	Result	Wind	Date	Competitions
Semi	1:07:59	-	Mar 16	New York Half Marathon, New York, NY

2013

1 performance

Discipline	Result	Wind	Date	Competitions
Marathon	2:34:27	-	Dec 1	Shanghai International Marathon, Shanghai

2012

4 performances

Discipline	Result	Wind	Date	Competitions
3000m	8:41.50	-	Jun 10	London Distance Series Meet, London
1500m	4:01.94	-	May 28	Guelph Speed River Inferno, Guelph
5000m	14:54.09	-	May 23	London Distance Classic, London
5000m	14:59.74	-	Apr 26	Hillsdale Gina Relays, Hillsdale, MI

2011

3 performances

Discipline	Result	Wind	Date	Competitions
10Kilometr	31:45	-	Sep 24	Toronto Canadian 10 km Championships, Toronto
5000m	15:12.43	-	May 24	London RCLDS Meet, London
Semi	1:12:05	-	Apr 17	Canadian Half Marathon Championships, Montréal

2010

2 performances

Discipline	Result	Wind	Date	Competitions
Semi	1:10:51	-	Sep 26	Toronto Waterfront Half Marathon, Toronto
10000m	32:27.44	-	May 15	London

2009

1 performance

Discipline	Result	Wind	Date	Competitions
10MilesRoa	56:00	-	Dec 26	Hamilton Boxing Day 10-Miler, Hamilton

FAQ

Frequently asked questions

What is John Mason's Marathon personal best?

John Mason's Marathon personal best is 2:15:17, set on Apr 7, 2019 in Rotterdam (NED).

Which events does John Mason compete in?

John Mason competes in the Marathon.

How did John Mason perform in 2026?

2026 season best: 31:07, set on May 23, 2026 in Ottawa (CAN). Last competition: Ottawa 10K on May 23, 2026, 31:07.